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TrojanDropper:Win32/Srizbi
Detected by Microsoft Defender Antivirus
Aliases: Win32/Virut.7205 (CA) Trojan.Srizbi.BE (VirusBuster) Win32.Virut.M (BitDefender) Virus.Win32.Virut.bl (Kaspersky)
Summary
TrojanDropper:Win32/Srizbi is detection for a collection of trojan droppers that commonly install a backdoor that allows remote access to infected systems. This backdoor may then be used by remote attackers to upload and install further malicious or unwanted software on the system and is identified as Spammer:WinNT/Srizbi.gen.
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.