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Details
LV.477
This is a dangerous memory resident parasitic virus. It copies itself into the system memory at the address 99C2:xxxx, and does not fix MCB list, that might halt PC. Then the virus hooks INT 8, 21h and stays memory resident.
The virus infects only COMMAND.COM files when an infected files is executed, and from its TSR-copy when the files are opened. While infecting, the virus uses "Lehigh" method, and the length of the file does not grow.
Under infected system conditions the system speaker plays beeps (INT 10h, ax=0E07h). |
