TROJ_DLOADR.VI
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
1,557,162 bytes
EXE
No
31 Dec 2012
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan drops the following copies of itself into the affected system:
- %Program Files%\Common Files\realteck\geoidq.pif
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
It creates the following folders:
- %Program Files%\Common Files\realteck
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
Other System Modifications
This Trojan adds the following registry entries as part of its installation routine:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
{Application Name}
debugger = "ntsd -d"
Where {application name} may be any of the following:
- 360rp.EXE
- 360rps.EXE
- 360rpt.EXE
- 360safe.EXE
- 360safebox.EXE
- 360sd.EXE
- 360sdrun.EXE
- 360setupscan.EXE
- 360speedld.EXE
- 360tray.EXE
- ANTIARP.EXE
- ArSwp.EXE
- Ast.EXE
- AutoRun.EXE
- AvMonitor.EXE
- BacsTray.EXE
- CopyExe.exe
- DestroySpy.exe
- DumpUper.EXE
- Frameworkservice.EXE
- GFUpd.EXE
- GuardField.EXE
- HijackThis.EXE
- IceSword.EXE
- Iparmor.EXE
- KANSGUI.EXE
- KANSvr.EXE
- KASARP.EXE
- KAVPFW.EXE
- KRegEx.EXE
- KSafe.EXE
- KSafeSvc.EXE
- KSafeTray.EXE
- KVMonXP.EXE
- KVMonxp.KXP
- KVSrvXP.EXE
- KVWSC.EXE
- KpfwSvc.EXE
- Mmsk.EXE
- Navapsvc.EXE
- OneKey.EXE
- PFW.EXE
- QQDoctorRtp.exe
- QQPCLeakScan.EXE
- QQPCMgr.EXE
- QQPCRTP.EXE
- QQPCTray.EXE
- RAV.EXE
- RAVTRAY.EXE
- RSTray.EXE
- RavMon.EXE
- RavMonD.EXE
- RavStub.EXE
- RavTask.EXE
- Ravservice.EXE
- Regedit.EXE
- Rfwstub.EXE
- RsAgent.EXE
- RsMain.EXE
- RsMgrSvc.EXE
- Rsaupd.EXE
- Runiep.EXE
- SREngLdr.EXE
- ScanFrm.EXE
- SuperKiller.EXE
- TSVulFWMan.EXE
- TrojDie.KXP
- TrojanDetector.EXE
- Trojanwall.EXE
- Twister.EXE
- VPC32.EXE
- VPTRAY.EXE
- VsTskMgr.EXE
- WOPTILITIES.EXE
- ZhuDongFangYu.EXE
- arpfw.EXE
- avfwsvc.EXE
- avgnt.EXE
- avguard.EXE
- avnotify.EXE
- avp.EXE
- avwebgrd.EXE
- beikearpmain.EXE
- beikearpsvc.EXE
- beikescan.EXE
- ccEvtMgr.EXE
- egui.EXE
- ekrn.EXE
- essact.EXE
- guardgui.EXE
- kaccore.EXE
- kasmain.EXE
- kastray.EXE
- kav.EXE
- kav32.EXE
- kavstart.EXE
- kissvc.EXE
- kpopui.EXE
- krepair.EXE
- krnl360svc.EXE
- kswebshield.exe
- kudiskmon.EXE
- kwatch.EXE
- kxedefend.EXE
- kxesapp.EXE
- kxescore.EXE
- kxeserv.EXE
- kxetray.EXE
- mcshield.EXE
- naPrdMgr.EXE
- nod32kui.EXE
- rfwProxy.EXE
- rfwmain.EXE
- rfwsrv.EXE
- safeboxtray.EXE
- sched.EXE
- upsvc.EXE
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}.{BLOCKED}9.com/q.gif
SOLUTION
9.200
5.883.00
08 Apr 2009
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Restart in Safe Mode
Step 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- {Application Name}
- {Application Name}
Step 4
Search and delete this folder
- %Program Files%\Common Files\realteck
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_DLOADR.VI. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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