Badboy.Riot.1049
Description Badboy.Riot.1049
This is a harmless memory resident parasitic encrypted virus. It hooks INT 21h and writes itself at the beginning of COM files are executed. This virus uses System File Table on infection. It is divided on 9 blocks of code and data (installation block, data block, INT 21h block e.t.c.). When the virus installs itself into the memory, 8 of these 9 blocks can be rearranged in any order depending on the system timer. On infection the virus saves encrypted image of its TSR copy into the file, so orders of code blocks in two infected file can be different.
The virus contains the text:
Senseless Destructionall Protecting what we are
joining together to take on the world..
METAL MiLiTiA [iMM0RTAL Ri0T]
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No444.474
Description No444.474
It is a harmless dangerous memory resident parasitic virus. It hooks INT 21h, 2Fh and writes itself to the end of .COM files that are executed. The virus contains a code that erases the MBR of the hard drive, but this code is never executed. The virus contains the text:
* SCHOOL No.444,MOSCOW *
Nobock.440.a
Description Nobock.440.a
It is a dangerous nonmemory resident parasitic virus. It searches for .COM files of the subdirectory tree of the current drive, then writes itself to the end of the file. Sometimes it displays:
No Bock today Error, System halted!
and really halts the system.
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