Posted February 7, 201213 yr Hi guys. My target machine was a Windows XP, Service Pack 3 machine. Symptoms present were: When trying to browse to google.com I got the error. "404 not found" ngnix. I check the hosts file but nothing was in there. The only thing that I could think that would cause this was a virus. I put in the system sweeper and booted. I downloaded the latest security essentials definitions from the link provided by system sweeper and browsed and installed them from system sweeper. I then performed a scan of the target system. System sweeper came back and reported that the system was clean of malware/viruses. I thought this cannot be so. I had an old Avast Bart CD laying around that i had cease to use since the system sweeper had com out. I downloaded the latest definitions for that and give it a run. The Avast Bart CD found a number of viruses infecting some files such as the windows pagefile ect. After the CD rid the target system of these and I rebooted the 404 error was gone. My mistake was not generating a report file from the Avast Bart CD so I could post it as an attachment here to better understand why the MS System Sweeper did not detect any of these malicious software. Am I using it incorrectly, or in a wrong scenario? Anyone else had these experiences? What do you use for offline scanning? Thanks for all replies Continue reading...
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