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W32.Crisis

Risk Level 2: Low

Discovered:
August 15, 2012
Updated:
November 30, 2012 7:27:07 AM
Also Known As:
W32/Crisis-A [Sophos], WORM_MORCUT.A [Trend]
Type:
Worm
Infection Length:
1,043,456 bytes
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Crisis is a worm that spreads through removable drives, VMware images, and possibly Windows Mobile devices. It also opens a back door on the compromised computer.

For more information, please see the following resources:
Crisis for Windows Sneaks onto Virtual Machines
Crisis: The Advanced Malware

Antivirus Protection Dates

  • Initial Rapid Release version August 15, 2012 revision 039
  • Latest Rapid Release version December 4, 2014 revision 038
  • Initial Daily Certified version August 16, 2012 revision 002
  • Latest Daily Certified version February 13, 2013 revision 041
  • Initial Weekly Certified release date August 22, 2012
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Medium
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium
  • Payload: Opens a back door.
  • Releases Confidential Info: Logs keystrokes, steals clipboard data, records webcam, monitors Internet traffic, takes screenshots.
  • Compromises Security Settings: Terminates antivirus processes.

Distribution

  • Distribution Level: Medium
  • Target of Infection: Removable drives, VMware images, and possibly Windows Mobile devices.
Writeup By: Asuka Yamamoto and Takashi Katsuki

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