This is a benign memory resident parasitic polymorphic virus. It hooks INT 21h, and writes itself to the end of COM and EXE files that are executed. The resident code of virus is also encrypted with different keys, and the virus decrypts/encrypts its routines "on-the-fly" in case of need. The virus also uses a lot of anti-debugging tricks.
On the 10th of each month, the virus displays the following message:
Phardera + Dianita
The virus contains the text strings:
Phardera
-by Phardera'95-----Batavia--------Indonesia----
RaredrahP Dianita
