When you install this program place 5 virus counters on it.
Instead of breaching a remote server, if this program is not already hosted in a server, you may host this program in the root of the attacked server.
All Corp cards in the root of a server hosting this program lose all abilities.
The Corp cannot install, rez, score, trash, or advance its cards in or protecting a server hosting this.
0[credit]: Purge virus counters. The Corp loses 1[credit] for each virus counter removed. Trash this program. Only the Corp can use this ability and only while this is hosted in a server.