Virus Database

Zapper.1121

Description Zapper.1121

It is a dangerous not memory resident encrypted parasitic virus. It searches for .COM- and .EXE-files and writes itself at their beginnings. While execution it creates the temporary C:CX1849.COM file. On infection it packs the files by using very simple compression method. Being executed the virus unpacks the host file into the temporary one and executes it.
In some cases the virus erases the disk sectors, it deletes the files:
*.D??
F:PUBLICCHKLIST.*
C:DOSCHKLIST.MS

It also contains the internal text strings:
*.COM
*.EXE
C:DOSFORMAT.COM
F:PUBLICMAP.EXE
ZAPPER

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Sieg.1721

Description Sieg.1721

This is a relatively harmless memory resident encrypted parasitic virus. It hooks INT 21h, and writes itself to the end of EXE files that are accessed. The virus doesn't infect files with names containing the letters:
SC, TB, CL, VS, F-, VI, and AN
The virus deletes the file CHKLIST.MS. On the 30th of March, it displays a text message, and waits while key pressed and restarts PC. The virus message reads:
Wie oft hoerte ich dich sagen,
Du wuerdest grosse Dinge wagen. -
Wann, glaubst du, kommt der grosse Tag,
Da endet alle Mueh' und Plag,
Da du zu grossen Taten schreitest
Und da du selbst dein Schicksal leitest?
Und wieder ging ein Jahr vorbei,
Doch nie warst du, mein Freund, dabei,
Wenn's galt, nun endlich zuzugreifen,
Damit auch Deine Fruechte reifen!
Woran es liegt? Erklaer es nur!
Du hattest Pech? Ach, keine Spur!
Wie immer, einzig und allein
Lag's nur an dir, an dir allein.
Schau nur auf deine Haende bloss -
Sie liegen schlaff in deinem Schoss
Statt endlich, endlich doch zu handeln
Und alles in dir umzuwandeln!

Sign.615

Description Sign.615
It is a harmless nonmemory resident parasitic virus. It searches for COM files and writes itself to the end of the file. It contains the text string:
SIGN

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