For virus scanners you had the
"Eicar" test file to check if your guard works...but this well known test file doesn't work on Trojan scanners & guards.
Well, the following link brings you to the
Trojan test file (trojan simulator):
http://www.misec.net/trojansimulatorwich is complete harmless (just read the site info) !
It worked great with Anti trojan 5.5.420 (my guard picked it up directly as it was launched) and with PC door guard.
It is NOT detected by AVAST V4.0
Waldo