TSPY_TINBA.AUW
Win32/Tinba.BP (ESET-NOD32), Trojan:Win32/Tinba.F (Microsoft)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It connects to certain websites to send and receive information.
TECHNICAL DETAILS
77,824 bytes
EXE
Yes
20 Jan 2016
Connects to URLs/IPs, Drops files
Arrival Details
This spyware 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 spyware adds the following folders:
- %Application Data%\{random foldername}
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)
It drops the following copies of itself into the affected system:
- %Application Data%\{created folder}\bin.exe
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.)
It injects threads into the following normal process(es):
- All running processes to hinder detection and removal
- Internet Browsers to perform Webinjections
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{created folder name} = "%Application Data%\{created folder}\bin.exe"
Stolen Information
This spyware saves the stolen information in the following file:
- %Application Data%\{created folder}\ntf.dat - contains form information grabbed from the hooked Web browsers
- %Application Data%\{created folder}\bin.dat - contains encrypted OS version information
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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 spyware connects to the following website to send and receive information:
- http://{Domain Generation Algorithm}.{TLD}/n0tru2t76hw2edqj/
- http://{BLOCKED}oddug.org/n0tru2t76hw2edqj/
- http://{BLOCKED}ooddug.su/n0tru2t76hw2edqj/
- http://{BLOCKED}visfll.ru/n0tru2t76hw2edqj/
- http://{BLOCKED}328hdy3tep.cc/n0tru2t76hw2edqj/
- http://{BLOCKED}ukjnw.org/n0tru2t76hw2edqj/
- http://{BLOCKED}ukjnw.su/n0tru2t76hw2edqj/
NOTES:
The variable {TLD}, also known as top level domain, may be any of the following:
- cc
- su
- org
- ru
SOLUTION
9.8
12.285.00
21 Jan 2016
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- {created folder name} = "%Application Data%\{created folder}\bin.exe"
- {created folder name} = "%Application Data%\{created folder}\bin.exe"
Step 5
Search and delete this folder
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_TINBA.AUW. 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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