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Microsoft Security Intelligence
Published Jun 06, 2007 | Updated Apr 16, 2011


Detected by Microsoft Defender Antivirus

Aliases: Win32/Mallar (CA)


Win32/Allaple is a multi-threaded, polymorphic network worm capable of spreading to other computers connected to a local area network (LAN) and performing denial-of-service (DoS) attacks against targeted remote Web sites.
Manual removal is not recommended for this threat. Use the Microsoft Malicious Software Removal Tool, Microsoft Security Essentials, Microsoft Safety Scanner, or another up-to-date scanning and removal tool to detect and remove this threat and other unwanted software from your computer. For more information on Microsoft security products, see
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