TROJ_INJECTO.KDA
Windows
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
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:
- %User Profile%\Application Data\hdoiVZeb
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Dropping Routine
This Trojan drops the following files:
- %User Profile%\hdoiVZeb\19501197c6be4d9daa86b07b1de5f44e
- %User Profile%\hdoiVZeb\062fd44eb91340c7be19a409f86ae2dc
- %User Profile%\hdoiVZeb\3b9aff04f668438a8d6050f781737965
- %User Profile%\hdoiVZeb\b6077f8800914753ac25907f83aa7169
- %User Profile%\hdoiVZeb\6bf9ecd24ffd4debab05ef4608c94df5
- %User Temp%\tmp4.tmp
- %User Temp%\tmp8.tmp
- %User Temp%\tmpC.tmp
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other Details
This Trojan connects to the following possibly malicious URL:
- {BLOCKED}8.141.75
- {BLOCKED}130.94
- {BLOCKED}6.112.172
- {BLOCKED}.248.178
This report is generated via an automated analysis system.
SOLUTION
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
Search and delete these components
- %User Profile%\hdoiVZeb\19501197c6be4d9daa86b07b1de5f44e
- %User Profile%\hdoiVZeb\062fd44eb91340c7be19a409f86ae2dc
- %User Profile%\hdoiVZeb\3b9aff04f668438a8d6050f781737965
- %User Profile%\hdoiVZeb\b6077f8800914753ac25907f83aa7169
- %User Profile%\hdoiVZeb\6bf9ecd24ffd4debab05ef4608c94df5
- %User Temp%\tmp4.tmp
- %User Temp%\tmp8.tmp
- %User Temp%\tmpC.tmp
Step 3
Search and delete this folder
- %User Profile%\Application Data\hdoiVZeb
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_INJECTO.KDA. 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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