1st log MBAM - 

Malwarebytes Anti-Malware 1.60.1.1000
www.malwarebytes.org

Database version: v2012.02.03.08

Windows XP Service Pack 2 x86 NTFS
Internet Explorer 6.0.2900.2180
snowrey :: LIFEGFX [administrator]

Protection: Enabled

2/3/2012 7:10:06 PM
mbam-log-2012-02-03 (19-10-06).txt

Scan type: Full scan
Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
Scan options disabled: P2P
Objects scanned: 205079
Time elapsed: 15 minute(s), 50 second(s)

Memory Processes Detected: 0
(No malicious items detected)

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 0
(No malicious items detected)

Registry Values Detected: 0
(No malicious items detected)

Registry Data Items Detected: 1
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL|CheckedValue (PUM.Hijack.System.Hidden) -> Bad: (0) Good: (1) -> Quarantined and repaired successfully.

Folders Detected: 0
(No malicious items detected)

Files Detected: 0
(No malicious items detected)

(end)

Second log MBAM - 

Malwarebytes Anti-Malware (Trial) 1.60.0.1800
www.malwarebytes.org

Database version: v2012.01.12.04

Windows XP Service Pack 2 x86 NTFS
Internet Explorer 6.0.2900.2180
snowrey :: SNOWREY-09E27B2 [administrator]

Protection: Enabled

1/16/2012 7:50:56 PM
mbam-log-2012-01-16 (19-50-56).txt

Scan type: Quick scan
Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
Scan options disabled: P2P
Objects scanned: 152822
Time elapsed: 3 minute(s), 5 second(s)

Memory Processes Detected: 0
(No malicious items detected)

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 1
HKLM\SYSTEM\CurrentControlSet\Services\utpelke (Worm.Conficker) -> Quarantined and deleted successfully.

Registry Values Detected: 0
(No malicious items detected)

Registry Data Items Detected: 0
(No malicious items detected)

Folders Detected: 0
(No malicious items detected)

Files Detected: 1
C:\WINDOWS\system32\01.tmp (Worm.Conficker) -> Quarantined and deleted successfully.

(end)

3rd Log MBAM - 

Malwarebytes Anti-Malware 1.60.0.1800
www.malwarebytes.org

Database version: v2012.01.12.04

Windows XP Service Pack 2 x86 NTFS
Internet Explorer 6.0.2900.2180
snowrey :: SNOWREY-09E27B2 [administrator]

1/16/2012 12:39:18 PM
mbam-log-2012-01-16 (12-39-18).txt

Scan type: Custom scan
Scan options enabled: File System | Heuristics/Shuriken | PUP | PUM
Scan options disabled: Memory | Startup | Registry | Heuristics/Extra | P2P
Objects scanned: 1
Time elapsed: 5 second(s)

Memory Processes Detected: 0
(No malicious items detected)

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 0
(No malicious items detected)

Registry Values Detected: 0
(No malicious items detected)

Registry Data Items Detected: 0
(No malicious items detected)

Folders Detected: 0
(No malicious items detected)

Files Detected: 1
C:\Documents and Settings\snowrey\My Documents\Downloads\PDFConverterSetup.exe (Trojan.Dropper) -> Quarantined and deleted successfully.

(end)