as shown in:
SRV - [2011/12/26 18:29:26 | 000,114,000 | ---- | M] (Joosoft.com GmbH) [Auto | Running] -- C:\Windows\System32\UpdSvc.dll -- (Update-Service)
May be part of this same infection. Can you upload UpdSvc.dll to http://virustotal.com and see if it comes back 0/43? Did you ever use JooSoft.com to get software? I don't see any mention of JooSoft in the install list. Did you ever get an UpdateChecker program from them?