Selected viruses, spyware, and other threats: sorted alphabetically

Ebola.1_0, Ebola.1_2, Ebola.1_4

These are polymorphic, encrypted, stealth EXE infectors. When installed into memory they hook the interrupt INT 21h. Files are attacked when they are opened for writing or reading, and when they are executed. In the encrypted virus body different text strings can be found – they are slightly different depending on specific versions. The virus writes these text strings on the screen depending on the date. Ebola.1_0 does so on May15th, other variants on June 16th.

Ebola.1_0: Ebola virus 1.0! Extremly stealth mutating system! Technical infos: No way to detect Heuristic analys often impossible Greetings go to author of Volkov Your data are OK aNytime,ANywHere Czech rep. 1994!
Ebola.1_2: Ebola virus 1.2! Extremly stealth mutating system! Technical infos: No way to detect Fucked heuristic Greets go to all virus developing groups in Brno ! Czech republic94
Ebola.1_4: Ebola virus 1.4! Extremly stealth mutating system! Technical infos: No way to detect Fucked heuristic Greets go to all virus developing groups in Brno !

The authors of this virus are probably members of the Hacker Club in Brno (Czech republic).

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