Exploit.Java.Gimsh.B?virus or not

Learn about Computer Security Virus/Malware Removal Assistance
1

detected with bitdefender…is it really a virus as couldnt find it in ther database…

2

COMODO needs the file to be able to tell if it contained that malware. You can submit it to COMODO.
https://forums.comodo.com/empty-t27062.0.html