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Explorer.exe is not a valid win32 application. Please help!!!
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<blockquote data-quote="Jack" data-source="post: 26986" data-attributes="member: 1"><p>Looks like a side effect of the malware.With what exactly were you infected??</p><p>Is explorer.exe listed under the processes tab in Task Manager? If not, run CMD and enter explorer on the command line. If that doesn't work, explorer.exe could have been violated of there could be rogue shell extension at work.</p><p></p><p>1. When you've run Windows Repair All in One you've also Reset the registry permissions??</p><p></p><p></p><p>2. A.Did you try to run SFC /SCANNOW in Safe Mode? </p><p>Try tapping F8 on boot and enter Safe Mode. Try sfc /scannow again or sfc /scanboot and reboot. You can find details on how to run the scan in <a href="http://malwaretips.com/Thread-How-to-repair-corrupted-and-damaged-system-files-in-Windows-7-and-Vista" target="_blank">this thread</a>.</p><p></p><p>B.If it still won't want to work , you can check the registry</p><p></p><p>Lets open Regedit (Press CTRL-ALT-DEL and open Task Manager. Once there, click File, then hold down the CTRL key and click New Task (Run). This will open a Command Prompt window. Enter REGEDIT.EXE and press Enter.) and then navigate to this key:</p><p></p><p><em>HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows NT\ CurrentVersion\ </em></p><p><em>Winlogon</em></p><p></p><p>Look for the SFCDisable key and make sure its value is set to <strong>0 (Zero)</strong></p><p></p><p>Reboot and try SFC /Scannow again. </p><p></p><p>C. If still doesn't work please try to run SFC with offline option.</p><p>[code]sfc /SCANNOW /OFFBOOTDIR=c:\ /OFFWINDIR=c:\windows[/code]</p><p></p><p>Please note that sometimes, a second scan run of SFC is necessary, even if SFC completes the first time, in order to replace all missing or corrupted files. If SFC completes, you can safely run it a second time for good measure.</p><p></p><p>3.Check in your <a href="http://windows.microsoft.com/en-US/windows7/What-information-appears-in-event-logs-Event-Viewer" target="_blank">Event viewer</a> to see if Windows can give you more details about this error.</p><p></p><p>4. Run SIGVERIF and see if that uncovers any issues with system files.</p><p>To access it, type <strong>sigverif</strong> in CMD box and hit enter.On completion of the scan, it will list down those which are not digitally signed. Is explorer.exe on that list?</p><p></p><p>4.Lets check if everything is really ok on your system.</p><p><span style="font-size: 18px"><strong><span style="color: #FF0000">Scan with OTL:</span></strong></span></p><p></p><ol> <li data-xf-list-type="ol">Please <a href="http://oldtimer.geekstogo.com/OTL.exe" target="_blank">download OTL</a> and save it to your Desktop.</li> <li data-xf-list-type="ol">Right-click on OTL.exe and select Run as Administrator to start OTL.</li> <li data-xf-list-type="ol">Double click on <strong>OTL.exe</strong> to run it.</li> <li data-xf-list-type="ol">Under <strong>Output</strong>, ensure that <strong>Minimal Output</strong> is selected.</li> <li data-xf-list-type="ol">Under <strong>Extra Registry</strong> section, select <strong>Use SafeList</strong>.</li> <li data-xf-list-type="ol">Click the <strong>Scan All Users</strong> checkbox.</li> <li data-xf-list-type="ol">Click on <strong>Run Scan</strong> at the top left hand corner.</li> <li data-xf-list-type="ol">When done, two Notepad files will open.<ul> <li data-xf-list-type="ul"><strong>OTListIt.txt</strong> <-- <em>Will be opened</em></li> <li data-xf-list-type="ul"><strong>Extra.txt</strong> <-- <em>Will be minimized</em></li> </ul></li> <li data-xf-list-type="ol">Please post the contents of these 2 Notepad files in your next reply.</li> </ol><p></p><p>When completed the above, please post back :</p><p>Both OTL logs. <-- Post them individually please, IE: one Log per post/reply.</p><p></p><p><img src="http://malwaretips.com/attachment.php?aid=731" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Jack, post: 26986, member: 1"] Looks like a side effect of the malware.With what exactly were you infected?? Is explorer.exe listed under the processes tab in Task Manager? If not, run CMD and enter explorer on the command line. If that doesn't work, explorer.exe could have been violated of there could be rogue shell extension at work. 1. When you've run Windows Repair All in One you've also Reset the registry permissions?? 2. A.Did you try to run SFC /SCANNOW in Safe Mode? Try tapping F8 on boot and enter Safe Mode. Try sfc /scannow again or sfc /scanboot and reboot. You can find details on how to run the scan in [url=http://malwaretips.com/Thread-How-to-repair-corrupted-and-damaged-system-files-in-Windows-7-and-Vista]this thread[/url]. B.If it still won't want to work , you can check the registry Lets open Regedit (Press CTRL-ALT-DEL and open Task Manager. Once there, click File, then hold down the CTRL key and click New Task (Run). This will open a Command Prompt window. Enter REGEDIT.EXE and press Enter.) and then navigate to this key: [i]HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows NT\ CurrentVersion\ Winlogon[/i] Look for the SFCDisable key and make sure its value is set to [b]0 (Zero)[/b] Reboot and try SFC /Scannow again. C. If still doesn't work please try to run SFC with offline option. [code]sfc /SCANNOW /OFFBOOTDIR=c:\ /OFFWINDIR=c:\windows[/code] Please note that sometimes, a second scan run of SFC is necessary, even if SFC completes the first time, in order to replace all missing or corrupted files. If SFC completes, you can safely run it a second time for good measure. 3.Check in your [url=http://windows.microsoft.com/en-US/windows7/What-information-appears-in-event-logs-Event-Viewer]Event viewer[/url] to see if Windows can give you more details about this error. 4. Run SIGVERIF and see if that uncovers any issues with system files. To access it, type [b]sigverif[/b] in CMD box and hit enter.On completion of the scan, it will list down those which are not digitally signed. Is explorer.exe on that list? 4.Lets check if everything is really ok on your system. [SIZE=5][b][color=#FF0000]Scan with OTL:[/color][/b][/SIZE] [list=1][*]Please [url=http://oldtimer.geekstogo.com/OTL.exe]download OTL[/url] and save it to your Desktop. [*]Right-click on OTL.exe and select Run as Administrator to start OTL. [*]Double click on [b]OTL.exe[/b] to run it. [*]Under [b]Output[/b], ensure that [b]Minimal Output[/b] is selected. [*]Under [b]Extra Registry[/b] section, select [b]Use SafeList[/b]. [*]Click the [b]Scan All Users[/b] checkbox. [*]Click on [b]Run Scan[/b] at the top left hand corner. [*]When done, two Notepad files will open. [list][*][b]OTListIt.txt[/b] <-- [i]Will be opened[/i] [*][b]Extra.txt[/b] <-- [i]Will be minimized[/i][/list][*]Please post the contents of these 2 Notepad files in your next reply.[/list] When completed the above, please post back : Both OTL logs. <-- Post them individually please, IE: one Log per post/reply. [img]http://malwaretips.com/attachment.php?aid=731[/img] [/QUOTE]
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