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Recurring infection


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#1 Thom S.

Thom S.

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Posted 29 August 2010 - 02:58 AM

My computer seems to be suffering from recurring infection by what looks like the same or similar malware.

About two weeks ago, I ran a Panda Cloud Antivirus scan, which detected 2 trojans of type Trj/Downloader.MDW, in locations:
C:\System Volume Information\_restore{F845E3DB-F751-4BE4-A620-64F2CA1BFB5F}\RP255\A0021301.sys
C:\WINDOWS\system32\drivers\qucr.sys

I had run the scan because my computer was running abnormally slow. (I am running Windows XP.)

I ran another scan today, and Panda again detected files with a very similar name to the trojan found previously. (However, this time Panda marked them as "Suspicious file detected", not as "Trojan detected"; but given the similar name and location of the files, it seems very possible that the newly detected files are related to the trojan found before.) The locations of these suspicious files were:

Location: C:\System Volume Information\_restore{F845E3DB-F751-4BE4-A620-64F2CA1BFB5F}\RP271\A0023116.exe
Location: C:\System Volume Information\_restore{F845E3DB-F751-4BE4-A620-64F2CA1BFB5F}\RP257\A0021999.exe

The infections seem to be contributing to the extreme slowness of my computer, and are especially troubling because, even though Panda neutralized them the first time around, they reappeared in my system. I look forward to your help (and other advice if you think, after further review, there might be other sources of the problem.)

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