TROJ_POWP.AB
TrojanDownloader:Win32/Unruy.H (Microsoft), Trojan.Win32.Powp.lea (Kaspersky), Backdoor.Trojan (Symantec))
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
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.
It steals certain information from the system and/or the user.
It connects to certain websites to send and receive information.
TECHNICAL DETAILS
37,892 bytes
PE
Yes
29 Jan 2011
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 adds the following mutexes to ensure that only one of its copies runs at any one time:
- j5o25jSFws
Information Theft
This Trojan steals the following information:
- Windows Product ID
- Computer Name
- System Information
Other Details
This Trojan connects to the following website to send and receive information:
- 83.{BLOCKED}3.{BLOCKED}9.139
It does the following:
- Enumerates the entries in the following registry keys:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- %System%
- %Windows%\Fonts
- Checks if processes with the following substrings are running in the system:
- PXAgent
- PXConsole
- ad-watch
- almon
- alsvc
- alusched
- apvxdwin
- ashdisp
- ashmaisv
- ashserv
- ashwebsv
- avcenter
- avciman
- avengine
- avesvc
- avgnt
- avguard
- bdagent
- bdmcon
- caissdt
- cavrid
- cavtray
- ccapp
- ccetvm
- cclaw
- ccproxy
- ccsetmgr
- clamtray
- clamwin
- counter
- dpasnt
- drweb
- firewalln
- fsguidll
- fsm32
- fspex
- guardxkickoff
- hsock
- isafe
- kavpf
- kpf4gui
- kpf4ss
- livesrv
- mcage
- mcdet
- mcshi
- mctsk
- mcupd
- mcupdm
- mcvss
- mpeng
- mpfag
- mpfser
- msascui
- mscif
- mskage
- msksr
- msmps
- mxtask
- navapsvc
- nipsvc
- njeeves
- nod32krn
- nod32kui
- npfmsg2
- npfsvice
- nscsrvce
- nvcoas
- nvcsched
- oascl
- pavfnsvr
- pxagent
- pxcons
- savadmins
- savser
- scfmanager
- scfservice
- scftray
- sndsrvc
- spbbcsvc
- spidernt
- spiderui
- spysw
- sunprotect
- sunserv
- sunthreate
- swdoct
- symlcsvc
- tsanti
- vba32ldr
- vir.exe
- vsmon
- vsserv
- webproxy
- webroot
- winssno
- wmiprv
- xcommsvr
- zanda
- zlcli
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
SOLUTION
8.900
7.798.20
29 Jan 2011
1/29/2011 12:00:00 AM
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Restart in Safe Mode
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_POWP.AB. 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.
NOTES:
Note: Follow this step after restarting your computer into Safe Mode.<br>
Restore the filenames of the overwritten files by removing the {space} between the {filename} and the {period}.
The location of these files are found in the following registries:
<ul><li>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run</li>
<li>HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run</li></ul>
Did this description help? Tell us how we did.