TROJ_BANLOAD.YWNJV
Trojan:Win32/Skeeyah.A!bit (Microsoft); Trojan.Win32.DelfInject.vow (Kaspersky); Troj/Agent-AOAN (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Win32/Heur (AVG)
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
797,072 bytes
EXE
No
03 Aug 2015
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\Obsidium
- %User Profile%\Obsidium\{D44BE966-3B2C8AEF-59FA4C88-2E2B34CA}
- %User Profile%\Microsoft\windowsphone
(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%\{D44BE966-3B2C8AEF-59FA4C88-2E2B34CA}\000000C0.obs
- %User Profile%\Application Data\maouse.tt
- %User Profile%\Application Data\app01
- %User Profile%\Application Data\abc.tt
- %User Profile%\windowsphone\app02
- %User Profile%\windowsphone\app03
- %User Profile%\windowsphone\app01
- %User Profile%\windowsphone\apps
- %User Startup%\CWS68AD0FD0.exe
(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 Startup% is the current user's Startup folder, which is usually C:\Documents and Settings\{user}\Start Menu\Programs\Startup on Windows 2000 and XP, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows Vista, 7, and 8.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}4.62.228/componentes/modulo/app01
- http://{BLOCKED}4.62.228/componentes/modulo/app02
- http://{BLOCKED}4.62.228/componentes/modulo/app03
- http://{BLOCKED}4.62.228/componentes/start
- {BLOCKED}0.1
- {BLOCKED}.29.94
- {BLOCKED}4.130.238
This report is generated via an automated analysis system.
SOLUTION
9.750
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%\{D44BE966-3B2C8AEF-59FA4C88-2E2B34CA}\000000C0.obs
- %User Profile%\Application Data\maouse.tt
- %User Profile%\Application Data\app01
- %User Profile%\Application Data\abc.tt
- %User Profile%\windowsphone\app02
- %User Profile%\windowsphone\app03
- %User Profile%\windowsphone\app01
- %User Profile%\windowsphone\apps
- %User Startup%\CWS68AD0FD0.exe
Step 3
Search and delete these folders
- %User Profile%\Application Data\Obsidium
- %User Profile%\Obsidium\{D44BE966-3B2C8AEF-59FA4C88-2E2B34CA}
- %User Profile%\Microsoft\windowsphone
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_BANLOAD.YWNJV. 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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