The older the trainer, the less likely it is to be safe. The “7.25” version likely originated on now-defunct cheat forums like Cheat Happens, MegaDev, or GCW (GameCopyWorld). Copies circulating on random file-sharing sites are often re-packaged with malware.
A "" means the software provides seven distinct "cheats" or modifications that can be toggled on or off during gameplay. The 7 Key Features Typically Included: Company Of Heroes Tales Of Valor 2.500.0.127 7 Trainer.25
While exact feature lists vary by creator, a "+7" trainer for this game typically includes: The older the trainer, the less likely it is to be safe