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

Behavior

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 -

Memory usage

The exact memory usage is 3,520 bytes.

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

Videos

Virus.DOS04:00

Virus.DOS.Vanish

Vanish virus review by danooct1

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