Looking at CrusaderAntivirus GUI and code, we can see references and common codes from AGAVA Antispy.
The registration verification code shows the contacted host:
activate.antispy.ru (89.108.66.62)
antispy.ru (89.108.65.143)
agava.ru (89.108.65.143)
(...)
AGAVA JSC: 89.108.64.0-89.108.71.255
Crusader Antivirus is a clone of AVAGA Antispy, but AVAGA is free. Unlike Crusader Antivirus there's no need to register to remove detected items.
Crusader Antivirus is a TRITAX Limited Software Company (DuckForce) product, but it contacts home (antispy.ru) to register itself...
