Threat Encyclopedia

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Virus, spyware, worms and other threat descriptions

Selected viruses, spyware, and other threats: sorted alphabetically

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Lemming

This is an encrypted, memory resident, stealth COM and EXE infector. The virus tunnels the interrupt INT 21h and gets the address of its original service. Programs are attacked when they are being executed and after they are closed. When an infected file is opened the virus removes itself from it. The virus avoids some anti-virus programs and does not attack them. Different variants of this virus contain various coded texts.

Lemming.2144:
You Will Never Trust Anti-Virus Software Again!! ThunderByte-1994-Australia ver 1.0 [HiTMaN]

Lemming.2146:
SPTBDRV Never Trust Anti-Virus Software Again!! ThunderByte-1994-[HiTMaN]

Lemming.2151:
The Rise and Fall of ThunderByte-1994-Australia. You Will Never Trust Anti-Virus Software Again!! [LEMMING] ver .99

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