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Virus.DOS.Vanish.1635 is a dangerous memory resident encrypted virus on DOS.

Payload

When the virus is loaded into memory, it infects any EXE executable that is run. The virus might corrupt the file during infection, making those programs to crash the system when run.

The following message is displayed from the original sample only:

WARNING - This is the [VanisH] carrier - WARNING
             - Coded by Bumblebee -

Advanced details

The TSR memory usage of the virus is 3,520 bytes.

MD5 hash:

fc62bf33d9df04d89964f2338f603561

Payload

When an infected program is run on Sunday 5th, instead of running the host program, the virus makes text vanish by scrolling 1 ASCII value down until 0 (NULL), and then it returns to DOS.

Other details

The virus contains the internal text strings:

[VanisH][Coded by Bumblebee]
Kill their servants
Burn their homes
Till there's no blood left to spill
Hail and Kill

Media

Virus.DOS

Virus.DOS.Vanish

Vanish virus review by danooct1