If it is a Trojan, using Add/Remove programs might not be enough. If you do not already have an antispyware solution for you enterprise servers, you should look into obtaining one. Most spyware solutions will allow you to perform a free scan of your system assuming it has Internet access. This will detect if this is in fact a Trojan.
However, in order to remove it, you will need to purchase the full version of the software or trust yourself to be able to remove it. Even if you successfully remove it manually, it might just re-install itself again. Antispyware software will hopefully be able to find all locations where the malware is hidden in your system and remove it.
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