ZA Internet Security Suite scan first quarantined the subject file last week. The file was located in C:\Windows\system32\ati2cqag32.dll. The ZA infection name assigned is HEUR:Trojan.Win32.Generic.
Prior to ZA initially quaranting and three times since then, we have had problems with Internet Explorer 8 searches being redirected to websites we were not searching for. Immediately after the file is quarantined, the browser problem stops. However, at some point after being quaratined, the computer reinstalls the file, and the browser redirect problem reappears. I have done three ZA scans in Safe Mode with Networking and each time the same file at the same location is quaratined.
I found one appearance of ati2cqag32.dll in the registry:
This appears to be a browser redirect, but I could not find anything in this forum or on the internet on how to remove this completly from our laptop. Just in case my internet searches were at risk of being blocked by this infection, I did my research on our uninfected desktop computer.
Any help would be greatly appreciated. Please let me know if you need additional information.