Home Malware Programs Worms Email-Worm.Rays

Email-Worm.Rays

Posted: September 2, 2010

Threat Metric

Threat Level: 9/10
Infected PCs: 290
First Seen: July 24, 2009
Last Seen: June 7, 2023
OS(es) Affected: Windows

Email-Worm.Rays is a network-aware worm that will attempt to replicate across an existing network. Email-Worm.Rays also spreads using Windows networking APIs, MAPI functions or email clients such as Microsoft Outlook. Email-Worm.Rays creates unknown email messages with corrupt attachments and sometimes attaches itself to outgoing email messages. Email-Worm.Rays also uses a misleading message which suggests that the recipient should open the attachment to see something interesting or important. Email-Worm.Rays should not be trusted and must be removed from the infected system once detected.

Aliases

Trojan.Win32.Generic!BT [Sunbelt]Win32.Banker [eSafe]I-Worm/VB.KU [AVG]Bulk Trojan [Sunbelt]Win32.Wukill.E@mm [BitDefender]Worm/Win32.Win32.gen [Antiy-AVL]WORM_WUKILL.GEN [TrendMicro]W32.Wullik@mm [Symantec]Worm.Win32.WuKill [Sunbelt]W32/Wukill-B [Sophos]W32/Wukill.A.worm [Panda]Worm:Win32/Wukill.F@mm [Microsoft]Worm.Rays [McAfee-GW-Edition]W32/Wukill.worm.gen [McAfee]Email-Worm.Win32.Rays [Ikarus]
More aliases (42)

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



E:\Folder 01\VirusShare_01aefd7cd0168b1589c4e567d9cfeb36 File name: VirusShare_01aefd7cd0168b1589c4e567d9cfeb36
Size: 49.15 KB (49152 bytes)
MD5: 01aefd7cd0168b1589c4e567d9cfeb36
Detection count: 131
Path: E:\Folder 01\VirusShare_01aefd7cd0168b1589c4e567d9cfeb36
Group: Malware file
Last Updated: August 31, 2022
C:\Windows\Mstray.exe File name: Mstray.exe
Size: 53.76 KB (53765 bytes)
MD5: 2a53b32f891e1ec1bf71a3f3746d4bbb
Detection count: 40
File type: Executable File
Mime Type: unknown/exe
Path: C:\Windows\Mstray.exe
Group: Malware file
Last Updated: June 7, 2023
KI.exe File name: KI.exe
Size: 53.5 KB (53507 bytes)
MD5: 2787b54bee83a2d5f62cd0f66ce99d92
Detection count: 33
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: November 17, 2020
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