Microsoft Malware Protection Center

Threat Research & Response Blog

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  • Blog Post: Trojan downloader Chepvil on the UPSwing

    A new spam campaign using UPS (United Parcel Service) as a social-engineering draw was initiated this week. The spammed message contains an attachment, detected as TrojanDownloader:Win32/Chepvil.I . The spam campaign actually started around March 16th 2011. The threat was originally detected as Backdoor...
  • Blog Post: Slick links linked to slinky Winwebsec

    I received a spam email from a friend lately after which I immediately notified him of a potential malware infection.  He insisted his technician had taken care of the infection once and for all.  After I returned from my vacation I received another three spam mails from him.  This time...