VCS V1.1a Virus

Alias:Virus-Construction-Set V1.1a
Strain:VCS Virus Strain
detected when:JAN 1992
where:Bulletin Board, Hamburg, Germany
Classification:Clone of VCS V1.0 Virus Program Virus, direct action; overwr
Length:Increased File Length: 1077 bytes

Preconditions

Operating System(s):MS/PC-DOS
Version/Release:
Computer model(s):All IBM PC compatibles with CPU > 8088.
Caroname:VCS

Attributes

Easy identification:Files containing C390h at offset 03h regarded as infected (self identification).

Type of Infection:

same as VCS V1.0

Infection Technique:
Infection Trigger:same as VCS V1.0
Storage Media affected:
Interrupts hooked:---
Stealth:
Tunneling/Selfprot:
Oligo/Polymorphism:
Encoding Method:
Damage:same as VCS V1.0
Damage Trigger:
Particularities:Particularities/Generating as VCS 1.0, generated by Virus Construction Set Version 1.0
Similarities:

Agents

Countermeasures:Searchstring at offset 00h of virus: E8 14 00 8A A4 2F 05 8D BC 20 01 B9 0F 04 89 FE - ditto - successful. Skulason's F-PROT V2.04 detects as VCS variant. McAfee's Scan version 93 as Manta Tode's NTI-VCS.EXE is an antivirus that only looks for VCS viruses, and if requested will restore the file.
Standard means:Notice file length. Use ReadOnly attribute.

Acknowledgements

Location:Virus Test Center, University Hamburg, Germany
Classification by:Stefan Tode
Documentation by:Stefan Tode
Date:21-July-1992
Information Source:

(c) 1996 Virus-Test-Center, University of Hamburg