Gen:Win32.Malware.Sq0@aqi00PVi (BitDefender), Worm:Win32/Rebhip.A (Microsoft), Trojan.Win32.Llac.dcro (Kaspersky), Worm.Win32.Rebhip.ac (v) (VIPRE), Win32.HLLW.SpyNet.113 (DrWeb), Gen:Win32.Malware.Sq0@aqi00PVi (B) (Emsisoft), Artemis!0DAC11D9C914 (McAfee), Trojan-Dropper.Delf (Ikarus), Gen:Variant.Zusy.47696 (FSecure), Delf.AGPM.dropper (AVG), Win32:Malware-gen (Avast), TROJ_GEN.R047C0DAJ14 (TrendMicro), Trojan.Win32.Sasfis.FD, VirTool.Win32.DelfInject.FD, GenericInjector.YR, GenericDownloader.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, Trojan, Worm, VirTool
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 0dac11d9c91449f45c33933e6f73143e
SHA1: d545ee8b0941e2952d22004e61d3f1084a77b54b
SHA256: 6ac09372e046074f867b9b7a49f600a8807382b32c354b61522f59deec9c40be
SSDeep: 12288:9Lo5y906O64eN2qZ1brFr2nXA1RGDh LKbskg/2GXHOBIrclTsxTEnvuhE:CyWxqj9I6CmKbvg/2G CwlTwT0w
Size: 736768 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2009-07-14 02:42:43
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
%original file name%.exe:472
The Trojan injects its code into the following process(es):No processes have been created.
File activity
The process %original file name%.exe:472 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\csrss.exe (8368 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\svchost.exe (5660 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\csrss.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\svchost.exe (0 bytes)
Registry activity
The process %original file name%.exe:472 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3B AB 84 BE 7B 59 61 9F 86 77 25 43 1A 9F 91 BE"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\"
The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:472
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\csrss.exe (8368 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\svchost.exe (5660 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\" - Reboot the computer.