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Amiga Virus Encyclopedia
STD Vaginitis 2 Trojan
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- STD Vag2 trojan
File extension: always # 800 bytes
Filename: only c: mount
Not reset-proof
From KS2.04
Bent vectors: LoadSeg
Decoded can be read in the link section:
536e6f6f 70446f73 SnoopDos
20537570 706f7274 2050726f 63657373 Support Process
00433a4d 6f756e74 0072756e 203e4e49 .C: Mount.run> NI
4c3a206e 65777368 656c6c20 54435000 L: newshell TCP.
32353531 00005354 44207072 6573656e 2551..STD presen
7473202d 20566167 696e6974 69732023 ts - vaginitis #
32202d2d 2066696c 74687920 77686f72 2 - filthy whor
6521 e!
Memory anchoring:
- FindTask changed - end
- Examine changed - end
- SnoopDos in memory - CCR is changed
- Loadseg is bent
Link operation:
- behind the 1st hunk of mount
- coding with EOR
- Findtask not changed
- Examine not changed
- Search for RTS only in the last long word of the 1st hunk and
Replace with NOP (therefore no "100% correct" removal
construction possible cf. also fungus)
- Write back FileDate
Damage:
- Search TCP in DosList
- Put a colon after TCP (see above)
- DosExecute run> NIL: .....
- So it should probably be a third party access to the
Computers are enabled
See also all other STD variants and fungus
Thought: a newer Trojan variant (3) is attached to one
older libversion (0.27) and vice versa ????
Original test by Heiner Schneegold
Translated from german to english by Google translate