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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Simona.A

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Simona.A
Technical name:VBS/Simona.A
Threat level:Low
Type:Worm
Effects:   It spreads and affects other computers. It does not spread automatically using its own means.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:
Detection updated on:Sept. 29, 2003
StatisticsNo

Brief Description 

    

VBS/Simona.A is a worm that spreads through IRC (Internet Relay Chat) channels. This worm creates several files in different locations in the hard disk. Apart from this, itdoes not carry out any destructive actions.

Visible Symptoms 

    

VBS/Simona.Acreates several files in the harddisk to ensure its execution. Firstly, it copiesitselfto the WINDOWS\SYSTEM directoryunder the name ANTIVIR.VBS. Then, it creates the DROPPER.BAT and DROPPER.SCR files in the WINDOWS\COMMAND folder. DROPPER.BAT contains instructions to execute a debugging program that, when given the DROPPER.SCR file as a parameter, will create the DROPPPER.COM file.