First

Classification

Malware

Worm

VBS

First, VBSV, WSV, Windows Scripting Virus, WSH, FWSV, Rabbit

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

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Find out more

Knowledge Base

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User Guide

See the user guide for your product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

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

Date Created: -

Date Last Modified: -