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Malware Analysis
Cleaning an infected USB flash-drive
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<blockquote data-quote="TheMalwareMaster" data-source="post: 815593" data-attributes="member: 47679"><p>Dear all,</p><p>I am dealing with an infected USB flash drive to clean-up. A family member bring this flash-drive at home, after it got infected with a worm on an other windows computer. The flash drive was inserted in my home system (I was not present at that time), however it didn't get infected because the worm was stopped by Windows Defender: it detected a lnk file and a vbs script in the pendrive (I also had VoodooShield which didn't report any threat was blocked, and that machine is running a standard user account). I double checked running processes, startup files and services (didn't notice anything suspicious) and ran Hitman Pro and Malwarebytes and the system came up clean.</p><p>However, now I would like to safely restore the files on that pendrive. Unfortunately, I wrongly deleted the worm in windows defender quarantine, so I don't know exactly what kind of malware it was, but, from the description provided, I understood that it's the typical worm that replaces each file with a shortcut to itself.</p><p>I don't have any linux box available at the moment, so I need to clean the usb and restore file re-inserting the key in a windows machine. I think the key is clean now, however I don't want to risk an infection on the machine (I remeber some of you guys were mentioning software such as MCShield to prevent this)</p><p>Any suggestion of what to do?</p><p>How do I recover files?</p><p>Thanks in advance</p><p></p><p>Update: I read microsoft docs about worms <a href="https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/worms-malware" target="_blank">Worms</a></p><p>And I remembered the name of the worm was <strong>Jenxcus</strong></p></blockquote><p></p>
[QUOTE="TheMalwareMaster, post: 815593, member: 47679"] Dear all, I am dealing with an infected USB flash drive to clean-up. A family member bring this flash-drive at home, after it got infected with a worm on an other windows computer. The flash drive was inserted in my home system (I was not present at that time), however it didn't get infected because the worm was stopped by Windows Defender: it detected a lnk file and a vbs script in the pendrive (I also had VoodooShield which didn't report any threat was blocked, and that machine is running a standard user account). I double checked running processes, startup files and services (didn't notice anything suspicious) and ran Hitman Pro and Malwarebytes and the system came up clean. However, now I would like to safely restore the files on that pendrive. Unfortunately, I wrongly deleted the worm in windows defender quarantine, so I don't know exactly what kind of malware it was, but, from the description provided, I understood that it's the typical worm that replaces each file with a shortcut to itself. I don't have any linux box available at the moment, so I need to clean the usb and restore file re-inserting the key in a windows machine. I think the key is clean now, however I don't want to risk an infection on the machine (I remeber some of you guys were mentioning software such as MCShield to prevent this) Any suggestion of what to do? How do I recover files? Thanks in advance Update: I read microsoft docs about worms [URL='https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/worms-malware']Worms[/URL] And I remembered the name of the worm was [B]Jenxcus[/B] [/QUOTE]
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