USSR.414
Description USSR.414
This is a harmless, non-memory resident parasitic virus. It searches for .COM-files, and writes itself to their ends. It contains the internal text string:
USSR
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Rubbit.681
Description Rubbit.681
This is a benign memory resident parasitic virus. It searches for original address of INT 21h handler in DOS area, hooks INT 21h and writes itself to the end of the files. While installing its TSR copy the virus copies itself to the address 9000:0106 and do not fix MCB list, that can halt the system.
The virus infects COM files that are executed or loaded as overlay. While infecting they rename the file to "RUBBIT.$$$", infect it and then rename back to original name.
These viruses also contain the texts:
:RUBBIT.$$$
Rubbit.734
Description Rubbit.734
This is a benign memory resident parasitic virus. It searches for original address of INT 21h handler in DOS area, hooks INT 21h and writes itself to the end of the files. While installing its TSR copy the virus copies itself to the address 9000:0106 and do not fix MCB list, that can halt the system.
The virus infects COM files that are executed or loaded as overlay. While infecting they rename the file to "RUBBIT.$$$", infect it and then rename back to original name.
These viruses also contain the texts:
:RUBBIT.$$$
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