{"id":43575,"date":"2015-08-28T05:09:50","date_gmt":"2015-08-28T05:09:50","guid":{"rendered":"http:\/\/malwaretips.com\/blogs\/?p=43575"},"modified":"2015-08-28T05:11:14","modified_gmt":"2015-08-28T05:11:14","slug":"remove-mw_-in-files-txt-or-kk_-in-your-documents-txt-virus","status":"publish","type":"post","link":"https:\/\/malwaretips.com\/blogs\/remove-mw_-in-files-txt-or-kk_-in-your-documents-txt-virus\/","title":{"rendered":"Remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt virus (Guide)"},"content":{"rendered":"<p>If your pictures, videos and documents have an <strong>MW_ or KK_<\/strong> prefix at the end and have a <strong>MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt<\/strong> document on your desktop, then your computer has been infected with the Trojan-Ransom.NSIS.ONION.air ransomware.<br \/>\nTrojan-Ransom.NSIS.ONION.air is a file-encrypting ransomware, which will encrypt the personal documents found on victim\u2019s computer using RSA-2048 key (AES CBC 256-bit encryption algorithm). Trojan-Ransom.NSIS.ONION.air then displays a message which offers to decrypt the data if a payment of 1 BTC (Bitcoins) is made within 96 hours, otherwise the data will be destroyed.<br \/>\n<img decoding=\"async\" class=\"aligncenter size-full wp-image-43576\" title=\"MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt Ransomware\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/08\/MW_-IN-FILES-Virus.jpg\" alt=\"MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt Virus\" width=\"584\" height=\"464\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/08\/MW_-IN-FILES-Virus.jpg 584w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/08\/MW_-IN-FILES-Virus-300x238.jpg 300w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/p><div id=\"mwtad2793118087\" class=\"gas_fallback-ad_309684--placement_360520\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"3957935887\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<div style=\"margin: 5px; padding: 10px; border-left: solid 5px #FFAE20;\">We cannot help your recover your files, apart from suggesting to use <strong>ShadowExplorer<\/strong> or <strong>(free) File Recovery Software<\/strong>. This guide was written to help you remove the infection itself, and if a 100% proven method to recover the encrypted files is found, we will update this guide.<\/div>\n<p style=\"text-align: center;\"><strong><a href=\"#how\">1. How did the MW_ or KK_ prefix virus got on my computer?<\/a><\/strong><br \/>\n<strong> <a href=\"#whatis\">2. What is MW_ or KK_ prefix Ransomware?<\/a><\/strong><br \/>\n<strong> <a href=\"#infected\">3. Is my computer infected with MW_ or KK_ prefix virus?<\/a><\/strong><br \/>\n<strong> <a href=\"#recovery\">4. Is it possible to decrypt files encrypted by MW_ or KK_ prefix?<\/a><\/strong><br \/>\n<strong> <a href=\"#removal\">5. How to remove the MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix ransomware (Virus Removal Guide)<\/a><\/strong><\/p>\n<div id=\"mwtad3076563903\" class=\"gas_fallback-ad_309746-ad_309691-placement_360521\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"4456629336\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 id=\"how\" style=\"text-align: center;\"><span style=\"text-decoration: underline;\">1. How did the MW_ or KK_ prefixvirus got on my computer?<\/span><\/h2>\n<p>The MW_ or KK_ ransomware is distributed through several means. Malicious websites, or legitimate websites that have been hacked, can infect your machine through exploit kits that use vulnerabilities on your computer to install this Trojan without your permission of knowledge.<\/p><div id=\"mwtad4226717525\" class=\"gas_fallback-ad_381396-ad_309691-placement_360566\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"1471373341\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p>Another method used to propagate this type of malware is spam email containing infected attachments or links to malicious websites. Cyber-criminals spam out an email, with forged header information, tricking you into believing that it is from a shipping company like DHL or FedEx. The email tells you that they tried to deliver a package to you, but failed for some reason. Sometimes the emails claim to be notifications of a shipment you have made. Either way, you can&#8217;t resist being curious as to what the email is referring to &#8211; and open the attached file (or click on a link embedded inside the email). And with that, your computer is infected with the MW_ or KK_ (Trojan-Ransom.NSIS.ONION.air) ransowmare<\/p>\n<p>The threat may also be downloaded manually by tricking the user into thinking they are installing a useful piece of software, for instance a bogus update for Adobe Flash Player or another piece of software.<\/p>\n<hr \/>\n<div id=\"mwtad3084090834\" class=\"gas_fallback-ad_309747-ad_309691-placement_360587\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"9589536513\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 id=\"whatis\" style=\"text-align: center;\"><span style=\"text-decoration: underline;\">2. What is MW_ or KK_ prefix Ransomware?<\/span><\/h2>\n<p>The MW_ or KK_ prefix is part of the Trojan-Ransom.NSIS.ONION.air ransomware program which targets all versions of Windows including Windows XP, Windows Vista, Windows 7, and Windows 8. This infection is notable due to how it encrypts the user&#8217;s files \u2013 namely, it uses AES-265 and RSA encryption method &#8211; in order to ensure that the affected user has no choice but to purchase the private key.<\/p><div id=\"mwtad592471289\" class=\"gas_fallback-ad_309686-ad_309691-placement_360569\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"6935453015\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p>When MW_ or KK_ prefix ransomware is first installed on your computer it will create a random named executable in the %AppData% or %LocalAppData% folder. This executable will be launched and begin to scan all the drive letters on your computer for data files to encrypt.<br \/>\nTrojan-Ransom.NSIS.ONION.air ransomware searches for files with certain file prefixs to encrypt. The files it encrypts include important productivity documents and files such as .doc, .docx, .xls, .pdf, among others. When these files are detected, this infection will append a new <strong>MW_ or KK_<\/strong> prefix to the file name.<br \/>\nFiles targeted are those commonly found on most PCs today; a list of file prefixs for targeted files include:<\/p>\n<blockquote><p>.sql, .mp4, .7z, .rar, .m4a, .wma, .avi, .wmv, .csv, .d3dbsp, .zip, .sie, .sum, .ibank, .t13, .t12, .qdf, .gdb, .tax, .pkpass, .bc6, .bc7, .bkp, .qic, .bkf, .sidn, .sidd, .mddata, .itl, .itdb, .icxs, .hvpl, .hplg, .hkdb, .mdbackup, .syncdb, .gho, .cas, .svg, .map, .wmo, .itm, .sb, .fos, .mov, .vdf, .ztmp, .sis, .sid, .ncf, .menu, .layout, .dmp, .blob, .esm, .vcf, .vtf, .dazip, .fpk, .mlx, .kf, .iwd, .vpk, .tor, .psk, .rim, .w3x, .fsh, .ntl, .arch00, .lvl, .snx, .cfr, .ff, .vpp_pc, .lrf, .m2, .mcmeta, .vfs0, .mpqge, .kdb, .db0, .dba, .rofl, .hkx, .bar, .upk, .das, .iwi, .litemod, .asset, .forge, .ltx, .bsa, .apk, .re4, .sav, .lbf, .slm, .bik, .epk, .rgss3a, .pak, .big, wallet, .wotreplay, .xxx, .desc, .py, .m3u, .flv, .js, .css, .rb, .png, .jpeg, .txt, .p7c, .p7b, .p12, .pfx, .pem, .crt, .cer, .der, .x3f, .srw, .pef, .ptx, .r3d, .rw2, .rwl, .raw, .raf, .orf, .nrw, .mrwref, .mef, .erf, .kdc, .dcr, .cr2, .crw, .bay, .sr2, .srf, .arw, .3fr, .dng, .jpe, .jpg, .cdr, .indd, .ai, .eps, .pdf, .pdd, .psd, .dbf, .mdf, .wb2, .rtf, .wpd, .dxg, .xf, .dwg, .pst, .accdb, .mdb, .pptm, .pptx, .ppt, .xlk, .xlsb, .xlsm, .xlsx, .xls, .wps, .docm, .docx, .doc, .odb, .odc, .odm, .odp, .ods, .odt<\/p><\/blockquote>\n<p>While encrypting your files, this ransomware also create a <strong>MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt<\/strong> text file ransom note in each folder that a file has been encrypted and on the Windows desktop. The ransomware will also change your Windows desktop wallpaper to <strong>MW_ IN FILES.bmp<\/strong>.<br \/>\nBoth the wallpaper and the text ransom note will contain the same information on how to access the payment site and get your files back.<br \/>\nWhen you go to the URLs listed in the ransom note you will be taken to a TOR site where you can learn how much your ransom is and how to make the payment.<\/p>\n<p>The MW_ or KK_ ransomware will also hijack your .EXE prefixs so that when you launch an executable it will attempt to delete the Shadow Volume Copies that are on the affected computer. It does this because you can use shadow volume copies to restore your encrypted files. Once the infection has successfully deleted your shadow volume copies, it will restore your exe prefixs back to the Windows defaults.<\/p><div id=\"mwtad4017358246\" class=\"gas_fallback-ad_381401-ad_309691-placement_360573\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"5315249587\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p>When it has finished encrypting your data files it will then show the MW_ or KK_ prefix at the end of your personal documents, and a screen demanding a ransom of 0.7 BTC in order to decrypt your files. It also states that you must pay this ransom within 96 hours or the private encryption key will be destroyed on the developer&#8217;s servers.<\/p>\n<hr \/>\n<div id=\"mwtad4255304786\" class=\"gas_fallback-ad_309748-ad_309691-placement_360588\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"3906789406\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 id=\"infected\" style=\"text-align: center;\"><span style=\"text-decoration: underline;\">3. Is my computer infected with MW_ or KK_ prefix virus?<\/span><\/h2>\n<p>If your computer is infected with the MW_ or KK_ ransomware will display a black <strong>MW_ IN FILES.bmp<\/strong> wallpaper that covers the entire desktop. A <strong>MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt<\/strong> text file will be placed on your desktop. Both files contain instruction on how or recover the encrypted files.<\/p>\n<p>The messages displayed by this ransomware infection can be localized depending on the user\u2019s location, with text written in the appropriate language.<br \/>\nThis the message that the MW_ or KK_ ransomware may display:<\/p><div id=\"mwtad3506306678\" class=\"gas_fallback-ad_381404-ad_309691-placement_381406\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"8735619847\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<blockquote><p>Good day. Your computer has been locked by ransomware, your personal files are encrypted and you have unfortunately &#8220;lost&#8221; all your pictures,<br \/>\nfiles and documents on the computer. Your important files encryption produced on this computer: videos, photos, documents, etc.<br \/>\nEncryption was produced using unique public key RSA-1024 generated for this computer. To decrypt files you need to obtain the private key.<br \/>\nAll encrypted files contain MW_<br \/>\nYour number: [removed]\nTo obtain the program for this computer, which will decrypt all files, you need to pay<br \/>\n3 bitcoins on our bitcoin address [removed] (today 1 bitcoin was 260 USA dollars). Only we and you know about this bitcoin address.<br \/>\nYou can check bitcoin balanse here &#8211; https:\/\/www.blockchain.info\/address\/[removed]\nAfter payment send us your number on our mail ttk@ruggedinbox.com and we will send you decryption tool (you need only run it and all files will be decrypted during 1&#8230;3 hours)<br \/>\nBefore payment you can send us one small file (100..500 kilobytes) and we will decrypt it &#8211; it&#8217;s your garantee that we have decryption tool. And send us your number with attached file<br \/>\nWe dont know who are you. All what we need &#8211; it&#8217;s some money.<br \/>\nDon&#8217;t panic if we don&#8217;t answer you during 24 hours. It means that we didn&#8217;t received your letter (for example if you use hotmail.com or outlook.com<br \/>\nit can block letter, SO DON&#8217;T USE HOTMAIL.COM AND OUTLOOK.COM. You need register your mail account in www. ruggedinbox .com (it will takes 1..2 minutes) and write us again)<br \/>\nYou can use one of that bitcoin exchangers for transfering bitcoin.<\/p><\/blockquote>\n<hr \/>\n<div id=\"mwtad2474551937\" class=\"gas_fallback-ad_318930-ad_309691-placement_360589\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"3818335085\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 id=\"recovery\" style=\"text-align: center;\"><span style=\"text-decoration: underline;\">4. Is it possible to decrypt files encrypted by MW_ or KK_ ransomware?<\/span><\/h2>\n<p><strong>No<\/strong>, at this time it&#8217;s not possible.<\/p>\n<p>The MW_ or KK_ ransomware is notable due to how it encrypts the user&#8217;s files \u2013 namely, it uses AES-265 and RSA encryption method &#8211; in order to ensure that the affected user has no choice but to purchase the private key. The RSA public key can only be decrypted with its corresponding private key. Since the AES key is hidden using RSA encryption and the RSA private key is not available, decrypting the files is not feasible as of this writing.<br \/>\nBrute forcing the decryption key is not realistic due to the length of time required to break an AES encryption key.<\/p>\n<div style=\"border-style: solid; border-width: 1px 1px 1px 8px; border-color: #e51400; margin: 5px; padding: 10px;\">Unfortunately, once the MW_ or KK_ encryption of the data is complete, decryption is not feasible without paying the ransom.<\/div>\n<p>Because the needed private key to unlock the encrypted file is only available through the cyber criminals, victims may be tempted to purchase it and pay the exorbitant fee. However, doing so may encourage these bad guys to continue and even expand their operations. We strongly suggest that you do not send any money to these cyber criminals, and instead adress to the law enforcement agency in your country to report this attack.<\/p><div id=\"mwtad377971690\" class=\"gas_fallback-ad_360582-ad_309691-placement_360581\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"9971336976\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<hr \/>\n<div id=\"mwtad1741429578\" class=\"gas_fallback-ad_381388-ad_309691-placement_381390\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"3191649120\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 id=\"removal\" style=\"text-align: center;\"><span style=\"text-decoration: underline;\">5. How to remove the MW_ or KK_ ransomware (Virus Removal Guide)<\/span><\/h2>\n<div style=\"border-style: solid; border-width: 1px 1px 1px 8px; border-color: #e51400; margin: 5px; padding: 10px;\">If you DO NOT\u00a0\u00a0plan on paying the ransom and want to try to restore your files, you can follow the below guide. It&#8217;s important to understand that by starting the removal process, you risk of losing your files, as we cannot guarantee that you will be able to recover them. Furthermore, your files may be permanently compromised when trying to remove this infection or trying to recover the encrypted documents.<\/div>\n<p>This page is a comprehensive guide, which will remove the MW_ or KK_ prefix infection from\u00a0your computer, however we cannot guarantee that your personal files will be recovered. We cannot be held responsible for losing the\u00a0documents\u00a0during this removal process.<\/p>\n<h3 style=\"text-align: center;\">A. Remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix ransomware from your computer<\/h3>\n<p>Malwarebytes and HitmanPro can detect and remove this infection, but <strong>these programs\u00a0cannot recover your encrypted<\/strong> files due to the nature of asymmetric encryption, which requires a private key to decrypt files encrypted with the public key.<\/p>\n<h3>STEP 1: Remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix virus with Malwarebytes Anti-Malware Free<\/h3>\n<p>Malwarebytes Anti-Malware Free uses industry-leading technology to detect and remove all traces of malware, including worms, Trojans, rootkits, rogues, dialers, spyware, and more.<br \/>\nIt is important to note that Malwarebytes Anti-Malware works well and should run alongside antivirus software without conflicts.<\/p><div id=\"mwtad427926062\" class=\"gas_fallback-ad_360567-ad_309691-placement_360771\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"6224621518\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<ol>\n<li>You can download <strong>download Malwarebytes Anti-Malware<\/strong>\u00a0from the below link.<br \/>\n<strong><a href=\"http:\/\/malwaretips.com\/download-malwarebytes\" target=\"_blank\" rel=\"noopener noreferrer\">MALWAREBYTES ANTI-MALWARE DOWNLOAD LINK<\/a> <\/strong><em>(This link will open a new web page from where you can download &#8220;Malwarebytes Anti-Malware Free&#8221;)<\/em><\/li>\n<li>Once downloaded, close all programs, then double-click on the icon on your desktop named &#8220;<em>mbam-setup&#8221;<\/em> to start the installation of Malwarebytes Anti-Malware.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38277\" title=\"Double-click on the mbam-setup to install Malwarebytes\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Setup.jpg\" alt=\"Start Malwarebytes Anti-Malware setup\" width=\"107\" height=\"107\" \/><br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-18096\" title=\"User Account Control icon\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2014\/02\/UAC-prompt.jpg\" alt=\"Picture of User Account Control\" width=\"13\" height=\"16\" \/> You may be presented with a User Account Control dialog asking you if you want to run this file. If this happens, you should click \u201c<em>Yes<\/em>\u201d to continue with the installation.<\/li>\n<li>When the installation begins, you will see the <em>Malwarebytes Anti-Malware Setup Wizard<\/em> which will guide you through the installation process.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38272\" title=\"Malwarebytes Anti-Malware Setup Wizard\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Installer.jpg\" alt=\"Malwarebytes Anti-Malware Installer\" width=\"550\" height=\"424\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Installer.jpg 550w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Installer-300x231.jpg 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><br \/>\nTo install Malwarebytes Anti-Malware on your machine, <em>keep following the prompts<\/em> by clicking the &#8220;<strong>Next<\/strong>&#8221; button.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38271\" title=\"Malwarebytes Anti-Malware Final Setup Screen\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Final-Screen.jpg\" alt=\"Malwarebytes Anti-Malware final screen\" width=\"544\" height=\"420\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Final-Screen.jpg 544w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Final-Screen-300x232.jpg 300w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/li>\n<li>Once installed, Malwarebytes Anti-Malware will automatically start and you will see a message stating that you should update the program, and that a scan has never been run on your system. To start a system scan you can click on the &#8220;<strong>Scan Now<\/strong>&#8221; button.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38275\" title=\"Click on the Scan Now button to scan with Malwarebytes\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scan.jpg\" alt=\"Malwarebytes Anti-Malware Scan Now\" width=\"661\" height=\"440\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scan.jpg 661w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scan-300x200.jpg 300w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/li>\n<li>Malwarebytes Anti-Malware will now start scanning your computer for the MW_ or KK_ virus. When Malwarebytes Anti-Malware is scanning it will look like the image below.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38276\" title=\"Malwarebytes Anti-Malware while performing a scan\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scanning-For-Malware.jpg\" alt=\"Malwarebytes Anti-Malware Scanning for Malware\" width=\"662\" height=\"444\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scanning-For-Malware.jpg 662w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Scanning-For-Malware-300x201.jpg 300w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><\/li>\n<li>When the scan has completed, you will now be presented with a screen showing you the malware infections that Malwarebytes Anti-Malware has detected. To remove the malicious programs that Malwarebytes Anti-malware has found, click on the &#8220;<strong>Remove Seletected<\/strong>&#8221; button.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38273\" title=\"Click on Remove Selected to remove malware\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Removing-Malware.jpg\" alt=\"Remove MW_ or KK_ with Malwarebytes Anti-Malware\" width=\"648\" height=\"424\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Removing-Malware.jpg 648w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Removing-Malware-300x196.jpg 300w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/><br \/>\nPlease note that the infections found may be different than what is shown in the image.<\/li>\n<li>Malwarebytes Anti-Malware will now quarantine all the malicious files and registry keys that it has found. When removing the files, Malwarebytes Anti-Malware may require a reboot in order to remove some of them. If it displays a message stating that it needs to reboot your computer, please allow it to do so.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38274\" title=\"Malwarebytes Anti-Malware asking to restart PC\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Restart-PC.jpg\" alt=\"Malwarebytes Anti-Malware asking to restart PC\" width=\"639\" height=\"420\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Restart-PC.jpg 639w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/Malwarebytes-Restart-PC-300x197.jpg 300w\" sizes=\"(max-width: 639px) 100vw, 639px\" \/><br \/>\nAfter your computer will restart, you should open Malwarebytes Anti-Malware and perform another &#8220;Threat Scan&#8221; scan to verify that there are no remaining threats<\/li>\n<\/ol>\n<h3>STEP 2: Double-check for the MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix malware infection with HitmanPro<\/h3>\n<p>HitmanPro is a second opinion scanner, designed to rescue your computer from malware (viruses, trojans, rootkits, etc.) that have infected your computer despite all the security measures you have taken (such as anti-virus software, firewalls, etc.). HitmanPro is designed to work alongside existing security programs without any conflicts. It scans the computer quickly (less than 5 minutes) and does not slow down the computer.<\/p>\n<ol>\n<li>You can download <strong>HitmanPro<\/strong> from the below link:<br \/>\n<a href=\"http:\/\/malwaretips.com\/download-hitman-pro\" target=\"_blank\" rel=\"noopener noreferrer\"> <strong>HITMANPRO DOWNLOAD LINK<\/strong><\/a> <em>(This link will open a new web page from where you can download &#8220;HitmanPro&#8221;)<\/em><\/li>\n<li>Double-click on the file named &#8220;<strong>HitmanPro.exe<\/strong>&#8221; (for 32-bit versions of Windows) or &#8220;<strong>HitmanPro_x64.exe<\/strong>&#8221; (for 64-bit versions of Windows). When the program starts you will be presented with the start screen as shown below.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38264\" title=\"HitmanPro startup screen\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Installer.jpg\" alt=\"HitmanPro Installer\" width=\"635\" height=\"501\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Installer.jpg 635w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Installer-300x237.jpg 300w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/><br \/>\nClick on the &#8220;<strong>Next<\/strong>&#8221; button, to install HitmanPro on your computer.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38267\" title=\"itmanPro installation options (Click Next)\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Start-Scan.jpg\" alt=\"itmanPro while installing on PC\" width=\"641\" height=\"513\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Start-Scan.jpg 641w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Start-Scan-300x240.jpg 300w\" sizes=\"(max-width: 641px) 100vw, 641px\" \/><\/li>\n<li>HitmanPro will now begin to scan your computer for MW_ or KK_ malicious files.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38265\" title=\"HitmanPro scanning for malware\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan.jpg\" alt=\"HitmanPro scanning\" width=\"636\" height=\"507\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan.jpg 636w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan-300x239.jpg 300w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/><\/li>\n<li>When it has finished it will display a list of all the malware that the program found as shown in the image below. Click on the &#8220;<strong>Next<\/strong>&#8221; button, to remove MW_ or KK_ prefix virus.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38266\" title=\"HitmanPro scan results (Click Next)\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan-Results.jpg\" alt=\"HitmanPro detected malware\" width=\"642\" height=\"514\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan-Results.jpg 642w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Scan-Results-300x240.jpg 300w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><\/li>\n<li>Click on the &#8220;<strong>Activate free license<\/strong>&#8221; button to begin the <strong>free 30 days trial<\/strong>, and remove all the malicious files from your computer.<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-38263\" title=\"Click on the Activate free license button\" src=\"\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Activate-Free-License.jpg\" alt=\"Remove malware with HitmanPro\" width=\"631\" height=\"503\" srcset=\"https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Activate-Free-License.jpg 631w, https:\/\/malwaretips.com\/blogs\/wp-content\/uploads\/2015\/04\/HitmanPro-Activate-Free-License-300x239.jpg 300w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/><\/li>\n<\/ol>\n<div style=\"margin: 5px; padding: 10px; border-left: solid 5px #FFAE20;\">In some cases you may need to <a href=\"http:\/\/windows.microsoft.com\/en-us\/windows\/change-desktop-background-wallpaper#1TC=windows-7\" target=\"_blank\" rel=\"noopener\">change your wallpaper<\/a>, and delete the harmless Save_Files, MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ IN FILES.bmp files.<\/div>\n<hr \/>\n<h3 style=\"text-align: center;\">B. How (try) to restore your files encrypted by MW_ or KK_ prefix ransomware<\/h3>\n<p>In some cases, it may be possible to recover previous versions of the encrypted files using System Restore or other recovery software used to obtain \u201cshadow copies\u201d of files.<\/p>\n<h3>Option 1: Restore your files encrypted by MW_ or KK_ ransomware with ShadowExplorer<\/h3>\n<p>The MW_ or KK_ ransomware will attempt to delete all shadow copies when you first start any executable on your computer after becoming infected. Thankfully, the infection is not always able to remove the shadow copies, so you should continue to try restoring your files using this method.<\/p><div id=\"mwtad3585664310\" class=\"gas_fallback-ad_360571-ad_309691-placement_360772\" style=\"margin-top: 30px;margin-bottom: 30px;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7750719144850257\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-7750719144850257\" \ndata-ad-slot=\"5867729999\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<ol>\n<li>You can download <strong>ShadowExplorer<\/strong> from the below link:<br \/>\n<a href=\"http:\/\/www.shadowexplorer.com\/downloads.html\" target=\"_blank\" rel=\"noopener\"> <strong>SHADOW EXPLORER DOWNLOAD LINK<\/strong><\/a> <em>(This link will open a new web page from where you can download &#8220;ShadowExplorer&#8221;)<\/em><\/li>\n<li>Once you have downloaded and installed ShadowExplorer, you can follow the below video guide on how to restore your files while using this program.<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/oaXtQ6rbvxA\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/li>\n<\/ol>\n<p>Alternatively, you can use the <a href=\"http:\/\/windows.microsoft.com\/en-us\/windows7\/products\/features\/system-restore\" target=\"_blank\" rel=\"noopener\">System Restore<\/a> to try to recover the encrypted documents.<\/p>\n<h3>Option 2: Restore your files encrypted by MW_ or KK_ ransomware with File Recovery Software<\/h3>\n<p>When MW_ or KK_ malware encrypts a file it first makes a copy of it, encrypts the copy, and then deletes the original. Due to this you can use file recovery software such as:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.piriform.com\/recuva\" target=\"_blank\" rel=\"noopener noreferrer\">Recuva<\/a><br \/>\nYou can follow the below guide on how to use Recuva:<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/LeEICG0zWqY\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/li>\n<li><a href=\"http:\/\/www.easeus.com\/datarecoverywizard\/free-data-recovery-software.htm\" target=\"_blank\" rel=\"noopener noreferrer\">EaseUS Data Recovery Wizard Free<\/a><\/li>\n<li><a href=\"http:\/\/www.r-studio.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">R-Studio<\/a><\/li>\n<\/ul>\n<hr \/>\n<div style=\"margin-top: 20px; padding: 10px; border-left: solid 5px #088A08;\">Your computer should now be free of the MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix ransomware.<br \/>\nIf you are still experiencing problems while trying to remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt and MW_ or KK_ prefix virus from your machine, please do one of the following:<\/p>\n<ul>\n<li>Run a system scan with <strong><a href=\"http:\/\/malwaretips.com\/blogs\/run-a-scan-with-zemana-antimalware\/\" target=\"_blank\">Zemana AntiMalware<\/a><\/strong>.<\/li>\n<li>Start a new thread in our <strong><a title=\"Free Malware Removal Support\" href=\"http:\/\/malwaretips.com\/forums\/malware-removal-assistance.10\/\" target=\"_blank\">Malware Removal Assistance<\/a><\/strong> forum.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If your pictures, videos and documents have an MW_ or KK_ prefix at the end and have a MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt document on your desktop, then your computer has been &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt virus (Guide)\" class=\"read-more button\" href=\"https:\/\/malwaretips.com\/blogs\/remove-mw_-in-files-txt-or-kk_-in-your-documents-txt-virus\/#more-43575\" aria-label=\"Read more about Remove MW_ IN FILES.txt or KK_ IN YOUR DOCUMENTS.txt virus (Guide)\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":43576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2727],"tags":[],"class_list":["post-43575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ransomware","masonry-post","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"_links":{"self":[{"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/posts\/43575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/comments?post=43575"}],"version-history":[{"count":0,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/posts\/43575\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/media\/43576"}],"wp:attachment":[{"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/media?parent=43575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/categories?post=43575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/malwaretips.com\/blogs\/wp-json\/wp\/v2\/tags?post=43575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}