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Microsoft Security Intelligence
Published Aug 02, 2007 | Updated Apr 16, 2011


Detected by Microsoft Defender Antivirus

Aliases: QLowZones-14 (McAfee) W32/LowZones.AHJ (Norman) Troj/Agent-DQB (Sophos) Trojan.Zonebac (Symantec) PAK_Generic.001 (Trend Micro)


Win32/Zonebac is a family of backdoor Trojans that allows a remote attacker to download and run arbitrary programs, and which may upload computer configuration information and other potentially sensitive data to remote Web sites.
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see
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