The remote host has been compromised and is running a 'Backdoor' program
Description
The remote SSL server is using a certificate which has been revoked. The particular SSL certificate has a serial number of '\x92\x39\xd5\x34\x8f\x40\xd1\x69\x5a\x74\x54\x70\xe1\xf2\x3f\x43' and an Issuer of USERTRUST.
Solution
There is a high probability that your server has been compromised. You should manually inspect and fix this system.