Izhevsk.3474
Description Izhevsk.3474
It is a dangerous memory resident encrypted parasitic virus. It writes itself to the end of .COM and EXE files. When an infected file is executed, the virus hooks INT 21h, intercepts FindFirst DOS call and on these calls searches for COM (except COMMAND.COM) and EXE files in the current directory and infects them.
The virus uses not correct anti-debugging tricks and as a result does not work on Pentium computers. Depending on the system date and its internal data the virus also hooks INT 1Ch and in some time halts the computer and displays the message:
+------------------------------------+
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| Waiting for halting systemall |
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+------------------------------------+
The virus also contains the text strings:
Sys areaCOMMAND*.com *.exe
(C) Izhevsk 1996
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StayCool.573
Description StayCool.573
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are executed. The virus contains the text string:
Louise Broderick my princess Written at Barclays plc Softare Labs Stay Cool
Mickey Athwel
Stb
Description Stb
It's a dangerous memory resident virus. It hooks INT 13h and infects floppy Boot and HD MBR sectors. It infects incorrectly some types of hard disks.
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