ABC.237

Name:
ABC.237
Info:
Details ABC.2378 It is very dangerous memory resident virus. It infects COM- and EXE-files while DOS accesses them. The virus manifests itself from 13th of every month: it checks keyboard and after double pressing of any key duplicates this key (for example the keyboard input “1001” is transferred to “10001”). The infector writes a small program into files that tries to erase the FAT of all hard disks after starting. The virus hooks INT 16h, 1Ch, 21h. The virus uses very powerful algorithm of en/decryption. The en/decryptor contains much of the assembler commands ADD, SUB, XOR in random order.

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