BKDR_HAXDOOR.LC
BackDoor-BAC (McAfee); Backdoor.Haxdoor (Symantec); PAK:ASPack (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Backdoor.Bot.5546 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor 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
Arrival Details
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This backdoor adds the following registry keys:
HKEY_CURRENT_USER\Software\Simply Super Software
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover\Scan Preferences
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover\TR7\Control\
Common
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover\Scan Preferences
DPFEnabled = 1
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover\Scan Preferences
RPEnabled = 1
HKEY_CURRENT_USER\Software\Simply Super Software\
Trojan Remover\TR7\Control\
Common
MainForm = "200,0,1,233,263,791,505"
Dropping Routine
This backdoor drops the following files:
- %User Profile%\Trojan Remover Logfiles\TRDEBUG.LOG
(Note: %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.)
This report is generated via an automated analysis system.
SOLUTION
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
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_CURRENT_USER\Software
- Simply Super Software
- In HKEY_CURRENT_USER\Software\Simply Super Software
- Trojan Remover
- In HKEY_CURRENT_USER\Software\Simply Super Software\Trojan Remover
- Scan Preferences
- In HKEY_CURRENT_USER\Software\Simply Super Software\Trojan Remover\TR7\Control
- Common
Step 3
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_CURRENT_USER\Software\Simply Super Software\Trojan Remover\Scan Preferences
- DPFEnabled=1
- In HKEY_CURRENT_USER\Software\Simply Super Software\Trojan Remover\Scan Preferences
- RPEnabled=1
- In HKEY_CURRENT_USER\Software\Simply Super Software\Trojan Remover\TR7\Control\Common
- MainForm="200,0,1,233,263,791,505"
Step 4
Search and delete this file
Step 5
Scan your computer with your Trend Micro product to delete files detected as BKDR_HAXDOOR.LC. 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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