First

Threat description

Details

Category: Malware
Type: Worm
Platform: VBS

Summary

VBS/First is the first virus to use Windows Scripting Host. This is a macro-like technique for Windows 98 and NT 5.0.

Windows Scripting Host macros come in files with VBS and JS extensions. You do not need any MS Office application or Internet Explorer in order to execute these macros - just double-clicking is enough to run them.

When VBS/First is executed, it will locate and infect other VBS macro files.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.



Technical Details

Two variants of the VBS/First virus will try to connect to Code Breakers website on the 15th of the month.

The virus is also shows a messagebox like this:

VBSv v2.0         by Lord Natas/CodeBreakers   

The VBS/First.C variant (VBSV2.0) is able to infect both VBS and .JS files





Description Details: Katrin Tocheva & Mikko Hypponen


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