I was last night infected with Antivirus System Pro, telling me to buy its phony antivirus program. The malware blocked task manager and McAfee from opening. I worked around it in Firefox to find a solution and it led me to try Malwarebytes.
I downloaded this program, updated it, and ran it. It detected a few items and prompted for a reboot after I removed them. Much to my dismay, the malware was still operating at full strength, still blocking everything. I rebooted again and quickly opened my task manager as things were still loading and saw a strange process called ycslsysguard.exe which I terminated, and the malware did not start. I took the opportunity to perform full scans with both Malwarebytes and McAfee, but they both came up with nothing.
After a few hours of searching around, I decided to check my msconfig settings to see if there was a program booting that was suspicious-looking (I try to game on my laptop, so I keep very close track of the processes running and the programs that boot so I can run at maximum efficiency. The System Config > Startup tab showed that I apparently had "Microsoft® Frontpage® 2000" booting up, which I don't own, and I never remembered allowing that to start up. Anyways, in that entry it lists the "command" as "C:\Users\Robert\AppData\Local\hpsrbw\yclsysguard.exe" which has the exact same ending as the malicious process that tries to run at startup.
Anyway, that's as far as I've gone right now, I have disabled its start-on-reboot permission but I have yet to see if that actually works, and I have no clue how to get the virus off of my computer for good.
I'm going to attach a couple of my scan logs as well as a snapshot I took of the process in the task manager.
I am also wondering how I can avoid something happening like this in the future; I was using internet explorer when it happened (normally use Firefox, and it appears to use internet explorer when it opens a window for www.porno.com), and I don't think I was surfing anywhere TOO bad (Encyclopedia Dramatica).
So I hope this information helps people in the future, and I hope that you can help me!
virusphoto.jpg 49.66K
20 downloadsLOG 1 - INFECTED
mbam_log_2009_11_04__13_35_44_.txt 2.65K
39 downloadsLOG 2 - CLEAN
mbam_log_2009_11_04__19_54_50_.txt 855bytes
39 downloads
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