TROJ_AGENT.CDD
Program:Win32/Winfixer (Microsoft); Winfixer. (McAfee); WinFixer (Symantec); BehavesLike.Win32.Malware (v) (Sunbelt); Gen:Variant.Graftor.Elzob.637 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
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
75,776 bytes
EXE
Yes
04 Oct 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 creates the following folders:
- %System Root%\DOCUME~1
- %System Root%\DOCUME~1\ADMINI~1
- %User Profile%\LOCALS~1
- %User Temp%\NI.UWA6PZ_0001_N73M1004
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
NI.UWA6PZ_0001_N73M1004 = "{malware path and file name} -nag "
Other System Modifications
This Trojan adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\WinAntiVirus Pro 2006
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\WinAntiVirus Pro 2006
EulUWA6PZ_0001_N73M1004 = "1"
Dropping Routine
This Trojan drops the following files:
- %Desktop%\Instalar WinAntiVirus Pro 2006 .lnk
(Note: %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://instlog.{BLOCKED}ivirus.com?{random characters}
- http://download.{BLOCKED}ivirus.com/files/WinAntiVirusPro2006FreeSetup_br.exe
- http://download.{BLOCKED}ivirus.com?{random characters}
- http://instlog.{BLOCKED}ivirus.com/files/WinAntiVirusPro2006FreeSetup_br.exe
This report is generated via an automated analysis system.
SOLUTION
9.200
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
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
- WinAntiVirus Pro 2006
Step 4
Delete this registry value
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\CurrentVersion\Run
- NI.UWA6PZ_0001_N73M1004 = "{malware path and file name} -nag "
- In HKEY_LOCAL_MACHINE\SOFTWARE\WinAntiVirus Pro 2006
- EulUWA6PZ_0001_N73M1004 = "1"
Step 5
Search and delete this file
- %Desktop%\Instalar WinAntiVirus Pro 2006 .lnk
Step 6
Search and delete these folders
- %System Root%\DOCUME~1
- %System Root%\DOCUME~1\ADMINI~1
- %User Profile%\LOCALS~1
- %User Temp%\NI.UWA6PZ_0001_N73M1004
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_AGENT.CDD. 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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