Microsoft Malware Protection Center

Threat Research & Response Blog

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  • Blog Post: MSRT January ‘11: Win32/Lethic

    Win32/Lethic is a trojan that communicates with a remote server to distribute spam. Variants of Lethic install executable files with varied file names such as “ shelldm.exe ” or “ xcllsx.exe ”. The malware loads as a process when Windows starts. The trojan establishes a connection to remote servers using...