Konkoor.1933
Description Konkoor.1933
This is a dangerous memory resident parasitic virus. While executing an infected program, this virus searches for the DOS address in the INT 21h handler, then searches for COM files, and hits them. Then the virus hooks INT 21h, and intercepts the FindFirst function (AH=4Eh). During calls to that function, the virus searches and infects COM files and also upon the execution of an infected program. While infecting, the virus writes itself to the beginning of the files, and encrypts the host file. On the 100th infection, or depending on the system date, it erases CMOS and hard drive sectors, and displays the following messages:
Warning !!! KONKOOR Must be destroyed !
Sig: -= The Real Computer Scientists =-
and
KONKOOR V1.60 -- Date: 10 MARCH 1994
While installing, it also displays the message:
Bad command or file name
Check other viruses! Be aware! Use Antiviral Software
Linda.517
Description Linda.517
It is a very dangerous memory resident parasitic virus. It hooks INT 9, 21h and overwrites COM and EXE files that are executed or closed. It displays the message:
FUCKING TO L.I.N.D.A.
Line.908
Description Line.908
It is not a dangerous memory resident parasitic virus. It hooks INT 9 (keyboard), 21h and writes itself to the end of COM files (except COMMAND.COM) that are executed. Depending on its internal counter (after 3000+ characters that entered from keyboard) it resets INT 9, hooks INT 1Ch and manifests itself with a blinking (on fast PCs) or moving (on old PCs) screen line.
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