Virus Database

BPU.2269

Description BPU.2269

This is a very dangerous memory resident partly encrypted parasitic virus. It hooks INT 9 and 21h, and writes itself to the end of COM and EXE files that are executed or closed. Depending on its counter, the virus infects the C:COMMAND.COM file.
By hooking INT 9, the virus, upon any keystroke, checks INT 1. and disables the virus tracing the code. On the 22nd of any month, the virus corrupts the data that is saved on the disk. On April 22nd, the virus erases the disk sectors. On the same date starting from 1999, the virus displays:
W9604 BPU

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not-virus:Joke.JS.Spawn.b

Description not-virus:Joke.JS.Spawn.b

Spawn is a "joke". Once launching the Java-script contained within the infected document's html a user's Internet Explorer browser window begins to move around. Besides this several more IE windows open in the background.

not-virus:Joke.Win32.Errore

Description not-virus:Joke.Win32.Errore

This "bad joke" simulates the Windows format functionality.
When it is executed, it displays several fake "error messages" such as:
Errore interno di Windows 345 all'indirizzo 4E6F:942A
Errore interno di Windows 591 all'indirizzo 93C0:6210
Errore interno di Windows 712 all'indirizzo 7ED5:89C2
Errore interno di Windows 128 all'indirizzo 6542:EF21
Errore interno di Windows 591 all'indirizzo 63F0:81B2
ERRORE FATALE 14
Then it displays a dialogue box asking about formatting the C: drive:
Sei veramente sicuro di voler formattare l'hard disk?
[Yes] [No] [Cancel]
Independent of the button being pressed, the program simulates a drive formatting window. The user is unable to stop, interrupt, or cancel this "format." Once the fake formatting has been completed, the standard Windows format summary appears. Then the program displays garbage data on the screen, some more messages, and finally exits.

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