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Worm:Win32/Sizuma.B
Detected by Microsoft Defender Antivirus
Aliases: No associated aliases
Summary
Win32/Sizuma.B is an instant messenger worm that spreads to MSN Messenger contacts by sending a message containing a link to a Trojan downloader. Microsoft detects the downloader as TrojanDownloader:Win32/Agent.ABT. The message sent by Win32/Sizuma.B reads “Ei... Mandei um cartao pra vc” and is accompanied by the link which points to a malicious website hosting the Trojan downloader.
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 Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
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