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Virus.DOS.4on.1346 is a dangerous memory resident parasitic virus on DOS.

BehaviorEdit

When the virus is loaded into memory, it hooks INT 21h and writes itself to the end of EXE executables that are accessed.

The infection size varies in different files.

Files infected by this virus might not function properly or even cause a system crash.

Memory usageEdit

The exact memory usage is 3,088 bytes.

Other detailsEdit

The virus contains the internal text string :

4ON-\\*+>

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