W32.Waledac

Risk Level 2: Low

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Discovered: December 23, 2008

Updated: December 23, 2008 1:34:08 PM

Also Known As: TROJ_GENETIK.TI [Trend], Email-Worm:W32/Waledac.A [F-Secure], Troj/Waled-C [Sophos], WORM_WALEDAC.C [Trend], WORM_WALEDAC.AB [Trend], WORM_WALEDAC.AS [Trend], Iksmas.A.worm [Panda Software], WORM_WALEDAC.AI [Trend], W32/Waled-Q [Sophos], W32/Waled-R [Sophos], Trojan:W32/Waledac.A [F-Secure], Troj/Waled-U [Sophos], W32/Waled-Z [Sophos], Troj/Waled-AB [Sophos], W32/Waled-AF [Sophos], Win32/Waledac.AJ [Computer Associates], Mal/WaledPak-B [Sophos], WORM_WALEDAC.BK [Trend], W32/Waled-AW [Sophos], Win32/Waledac.Z [Computer Associates], Mal/WaledPak-D [Sophos], WORM_WALEDAC.CRV [Trend], WORM_WALEDAC.ED [Trend], W32/Waledac.AX [Panda Software], WORM_WALEDAC.DU [Trend]

Type: Worm

Infection Length: 386,560 bytes

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP

W32.Waledac is a worm that spreads by sending email containing links to copies of itself. It also opens a back door on the compromised computer.

For more information, please read the following:

Protection

Initial Rapid Release version December 23, 2008 revision 002
Latest Rapid Release version November 19, 2009 revision 009
Initial Daily Certified version December 23, 2008 revision 007
Latest Daily Certified version November 19, 2009 revision 024
Initial Weekly Certified release date December 24, 2008

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 50 - 999
Number of Sites: 0 - 2
Geographical Distribution: Medium
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Medium
Payload: Opens a back door on the compromised computer.
Large Scale E-mailing: May send spam email.
Releases Confidential Info: Attempts to steal information.

Distribution

Distribution Level: Low
Target of Infection: Spreads by sending links to copies of itself via email.

Writeup By: Liam O'Murchu

Technical Details

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