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Trojan:Win32/Chepdu.B
Detected by Microsoft Defender Antivirus
Aliases: Trojan.Generic.344082 (BitDefender) Trojan.Win32.BHO.eek (Kaspersky) Adware-BHO.gen.b (McAfee) Downloader.Trojan (Symantec)
Summary
Trojan:Win32/Chepdu.B is a trojan that is dropped and installed by TrojanDropper:Win32/Chepdu.A as a BHO (Browser Helper Object). It prevents access to certain websites, generates unwanted popups and may redirect searches and report statistics back to a remote server.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.