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Author Topic: Rootkit false positives  (Read 3914 times)
amerson
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« on: December 28, 2011, 10:49:18 AM »

I enabled rootkit scanning with low heuristics and detected 13 threats.  I believe they are all false positives, but I can't find much info from scanning the web.  The ADSM files are Asus Data Security Manager.  I can't locate info on the Safe* files, but I found a number of other users who have posted these in various log files.  I can't access the directories or files even though I show hidden files and protected operating system files.  What are these _avt and _lit files?  How can I determine if they are dangerous?  Should I tell Comodo to clean/remove them?

Rootkit.HiddenFile[at]0 c:\ADSM_PData_0150\_avt
Rootkit.HiddenFile[at]0 c:\ADSM_PData_0150\DragWait.exe
Rootkit.HiddenFolder[at]0 c:\ADSM_PData_0150\DB
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Doc\_avt
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Doc\_lit
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Music\_avt
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Music\_lit
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Video\_avt
Rootkit.HiddenFile[at]0 c:\Users\steve\Safe Video\_lit
Rootkit.HiddenFolder[at]0 c:\Users\steve\Safe Video
Rootkit.HiddenFolder[at]0 c:\Users\steve\Safe Doc
Rootkit.HiddenFolder[at]0 c:\Users\steve\Safe Music
Rootkit.HiddenFolder[at]0 c:\ADSM_PData_0150
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EricJH
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« Reply #1 on: December 28, 2011, 12:22:17 PM »

Moved to f/p board.
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FlorinG
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« Reply #2 on: December 28, 2011, 02:58:10 PM »

Hello amerson,

Please submit the detected files/registry entries to us so we can check them.

Best regards,
FlorinG
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If possible please post your malware submissions as SHA1 lists. Always make sure first you have submitted the samples through CIS or CIMA . Thank you!
Ronny
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« Reply #3 on: December 28, 2011, 04:14:26 PM »

If your not running x64 bit version of windows you can use Gmer to browse the hidden files and save them.
If your running x64 best thing is to boot from a boot CD/DVD like e.g. Ultimate Boot CD/DVD for Windows to access these files/folders.
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amerson
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« Reply #4 on: December 28, 2011, 09:17:11 PM »

FlorinG

Quote
Please submit the detected files/registry entries to us so we can check them.

How do I submit the files?  I selected "Ignore: report this to Comodo as a false alert" and it told me "Report as false alert is not an option for some selected threats." 

Thanks
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amerson
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« Reply #5 on: January 01, 2012, 10:14:23 PM »

I downloaded and ran gmer and it did not locate these files.  I still do not know how to send them to Comodo for analysis, since I cannot access or locate them outside Comodo.
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wasgij6
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« Reply #6 on: January 01, 2012, 10:42:49 PM »

have you enabled "show hidden files" in windows explorer?

Here is a guide how to do so.
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| Win 7 Ultimate (x32) SP1; Admin | UAC Disabled | CIS 6.1.276867.2813 | CD 26.2 | CID 20.0.1 | VMWare Workstation; XP (x32), 7 (x64) |
amerson
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« Reply #7 on: January 02, 2012, 08:53:38 AM »

I have enabled "Show hidden files, folders, and drives" and not enabled "Hide protected operating system files" however I cannot see these hidden files except through Comodo rootkit results.
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Ronny
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« Reply #8 on: January 02, 2012, 12:11:29 PM »

Then an 'offline' investigation of this disk is advisable, try using Ultimate boot cd for windows or Hiren's boot cd and use that explorer to see if the reported files/folders are there.

http://www.ubcd4win.com/
http://www.hiren.info/pages/bootcd

I'd advise to start with Hiren's boot cd as it's easier
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