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Is It A Virus?


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#1 SRK62

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Posted 28 May 2007 - 09:25 PM

Yesterday when I scanned my computed with Lavasoft AD Aware SE Personal, I gets stuck at - c\Volume Information\. Odj.{00021401-0000-0000-0000-0000000000}930E.

Scanning cannot go after this.I waited more than an hour for the scanning to resume but nothing happened. I tried Spyboat s&d but it could not detect it.Same with AVG Spyware.I also tried anti virus Avast but it could not help.
Can anyone help please?I think it happened when a friend of mine inserted a pen drive and tried to delete a difficult MP3 music file which he got from somewhere else.


(Moderator edit: post moved to more appropriate forum. jgweed)

Edited by jgweed, 29 May 2007 - 07:29 AM.


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#2 jgweed

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Posted 29 May 2007 - 08:19 AM

Have you tried running Ad-Aware in Safe Mode?
Regards,
John
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#3 quietman7

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Posted 29 May 2007 - 09:48 AM

...I think it happened when a friend of mine inserted a pen drive...

Keeping Autorun enabled on USB and other removable drives has become a security risk due to the increasing number of malware variants that can infect them and transfer the infection to your computer via an autorun.inf file that you do no expect or intend to run. When removable media is inserted, autorun looks for autorun.inf which automatically can run a malicious .exe or .bat file. Read Danger USB! Worm targets removable memory sticks.

I recommend disabling the Autorun feature on USB drives as a method of prevention.

The easiest way to disable Autorun on a specific drive is to download and use Tweak UI PowerToy.
  • After installation, launch Tweak UI, double-click on My Computer in the tree menu on the left, then click on AutoPlay > Drives. This will allow you to change the system settings for AutoPlay/autorun.
  • Uncheck the drives you want to disable AutoPlay on and click on Apply.
  • Next, click on the Types in the left tree. This allows you to control whether Autoplay is enabled for CD and DVD drives and removable drives. You may need to restart Tweak UI if it closes after step 2.
  • Uncheck the box to disable Autoplay for a particular type of drive.
  • Click Apply.

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#4 SRK62

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Posted 29 May 2007 - 08:06 PM

Thanks for all the kind suggestions.It was a virus and I removed it with Active Virus Shield.The free home editions of AVG and Avast could not detect it.Yes,I tried it all in safe mode but it did not help.

Now I have zone Alarm firewall installed.This Active Virus Shield is asking permission to act as a server as soon as I boot up the computer.Should I allow it?

Please bear with my ignorance but what is this auto run feature of USB drives?What is the effect of disabling it?

#5 quietman7

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Posted 29 May 2007 - 08:48 PM

"Autorun" is the feature built into Windows that automatically runs a program specified by the file "autorun.inf" whenever a CD-ROM, DVD or USB drive is plugged into a Windows-based computer. Autorun is intended as a convenience to automatically start an installer when removable media is inserted into the computer.

Flash drive infections usually involve malware that loads an autorun.inf file into the root folder of all drives (internal, external, removable) which automatically runs a malicious .exe or .bat file on your computer. When a usb flash drive becomes infected, the Trojan will infect a system when the flash drive is inserted if autorun has not been disabled.

Edited by quietman7, 29 May 2007 - 08:53 PM.

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