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F-Secure Virus Descriptions : Imposter.E





NAME:Imposter

For more information of Word macro viruses, see the description of Concept.

WM/Imposter.A is a common Word macro virus, which is similar to DMV and Concept viruses.

When it first infects a system, it displays a dialog box with text 'DMV'.

Imposter.A contains a comment which reads: 

        just to prove another point

Imposter.A only replicates.

NAME:Imposter.E
ALIAS:Wormy-1, PC-Format
ORIGIN:Greece

Unlike Imposter.A, this variant is not very similar to DMV or Concept viruses.

When the virus infects the system for a first time and the user exits Word, it displays the following message in the status bar: 

      WORMY-1 by NAENBGOURSG

After that Imposter.E infects every document when they are saved. It also re-infects files that have been infected already.

Virus also contains this text within its code: 

      by NAENBGOURSG
      SO.HT.AI.KS
      231076-GREECE
      Thanks to NEURO
      VRD 19-4-1997
      VRP A.U.A

Otherwise the virus just spreads.

[Analysis: Mikko Hypponen and Katrin Tocheva, F-Secure Ltd]