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Jvirus

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Virus.DOS.Jvirus.2267 is a dangerous memory resident parasitic polymorphic virus on DOS.

Behavior

When the virus is loaded into memory, it hooks INT 21h and infects executables that are run. On infecting a DOS executable file it also hangs the system, it also does when those files are being run.

The infection size varies on different files.

Payload

The virus activates on 1st of any month, it displays the text string in different colors filling the whole screen:

死神 J-virus(HK) 1.0

With the same text string with blue background that eats the colored text strings.

During the payload the system may still detect keyboard input but would eventually crash afterwards.

Videos

JVirus DOS Virus02:57

JVirus DOS Virus

Jvirus virus review by danooct1

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