The Backdoor:Win32/Agent.OY will install rogue security software AV Security 2012 into the affected computers without users knowledge. The Backdoor:Win32/Agent.OY file size is 212480 bytes.
Once launched, the Backdoor:Win32/Agent.OY performs the following actions:
Download rogue security tool AV Security 2012 from the following domains:
Modify the properties of the following files:
(212480 bytes; detected by HitMalware as " Backdoor:Win32/Agent.OY")
If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Backdoor:Win32/Agent.OY:
1. Replace the infected file cleanmgr.exe for free by using cleanmgr.exe repair tool - DLL Suite. See how to replace cleanmgr.exe by using DLL Suite.
2. Perform a full Backdoor:Win32/Agent.OY scan by using the latest antivirus/antispyware HitMalware.
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How to replace cleanmgr.exe by using DLL Suite
Download DLL Suite, install and run
Click "Start Scan" button to check cleanmgr.exe file
Choose cleanmgr.exe and click "More Information"
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Save cleanmgr.exe to its default folder to replace infected cleanmgr.exe file.
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