I have the same problem RE deleting a trojan virus. I did a deep sustem scan and this is my report:
BitDefender Log File
Product: BitDefender Total Security 2010
Version: BitDefender Antivirus Scanner
Scanning task: Deep System Scan
Log date: 4/01/2012 6:43:15 PM
Log path: C:\Documents and Settings\All Users\Application Data\BitDefender\Desktop\Profiles\Logs\deep_scan\1325673795_2_02.xml
Scan paths:
Path 0000: C:\
Path 0001: L:\
Scan Level:
Scan for viruses: Yes
Scan for adware: Yes
Scan for spyware: Yes
Scan for applications: Yes
Scan for dialers: Yes
Scan for rootkits: Yes
Scan for keyloggers: Yes
Virus Scanning Options:
Scan registry keys: Yes
Scan cookies: Yes
Scan boot sectors: Yes
Scan memory processes: Yes
Scan archives: Yes
Scan runtime packers: Yes
Scan e-mails: No
Scan all files: Yes
Heuristic Scan: Yes
Scanned extensions: not configured
Excluded extensions: not configured
Target Processing:
Default first action for infected objects: Disinfect
Default second action for infected objects: None
Default first action for suspect objects : None
Default second action for suspicious objects: None
Default action for hidden objects: None
Default first action for encrypted infected objects: Disinfect
Default second action for encrypted infected objects: None
Default first action for encrypted suspicious objects: None
Default second action for encrypted suspicious objects: None
Default action for password-protected objects: Log only
Scan Engines Summary
Virus signatures: 0
Archive plugins: 0
E-mail plugins: 0
Scan plugins: 0
System plugins: 0
Unpack plugins: 0
Basic
Scanned items: 50392
Infected items: 1
Suspect items: 0 (no suspected items have been detected)
Hidden items: 0 (no hidden items have been detected during this scan)
Resolved items: 0 (infected or suspect items have been found and were ignored or could not be fixed)
Unresolved items: 1
Advanced
Scan time: 00:43:13
Files per second: 19
Skipped items: 3839
Password-protected items: 0
Over-compressed items: 0
Individual viruses found: 1
Scanned folders: 3122
Scanned boot sectors: 6
Scanned archives: 971
Input-output errors: 0
Scanned processes: 47
Infected processes: 0
Scanned registry keys: 2164
Infected registry keys: 0
Scanned cookies: 84
Infected cookies: 0
Remaining issues:Object Path Threat Name Final Status
C:\Documents and Settings\User\Application Data\Sun\Java\Deployment\cache\6.0\40\266528e8-342a679e=>f.class Trojan.Agent.ATMO Delete archive failed
Advice please.