Threat Description

Reverse

Details

Aliases:Reverse, Red Spider, Redspide
Category:Malware
Type:Virus
Platform: W32

Summary



Reverse stays resident in memory and infects COM and EXE files when they are accessed.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



Reverese is encrypted with a variable key. The body of the virus contains two filenames written backwards:

 moc.dnammoc
exe.niamcn

COMMAND.COM is infected by overwriting a block of zeroes inside it. NCMAIN.EXE is not infected at all.

Reverse contains the following text, which is not displayed:

 Reverse-948 Created by Renata G. from Lubin City in Sept 1993

Variant:Reverse.B

Similar and also 948 bytes, but contains this text:

 Red Spider Virus created by Garfield from Zielona Gora in Feb 1993




Description Created: Mikko Hypponen, F-Secure


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