| Description:
|
Details
BAT.Vr.718
It is a harmless nonmemory resident parasitic batch virus. It searches for BAT files, then writes itself to the end of the file and inserts in the beginning of file a jump command and label. When an infected file is executed, the virus gets control, infects other batch files, returns control the host file, and terminates.
Before infection After infection
+--------+ +--------+
| Host | | jump |-+
| file | |--------| |
| | +>| | |
| | | | | |
+--------+ | | | |
| |--------|<+
+-| Virus |-+
| | |
+--------+<+
The virus is named after the labels in its code - they begin with letters 'Vr'.
The virus does not manifest itself in any way. |
