TSPY_KEGOTIP.YNJ
Trojan-PSW.Win32.Minari.mg (Kaspersky), Trojan.Minari (Zoner), Trojan.PSW.Minari.h (Jiangmin)
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet
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.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
336,896 bytes
EXE
Yes
22 Dec 2015
Connects to URLs/IPs
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 drops the following files:
- %User Temp%\MSWQ{Available Drive's Letter}.tmp - Contains the malware's last accessed directory
(Note: %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.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- MutexName = "5629186B-0207-4659-AE5D-B09282932A86_{value from 519 to 618}"
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
regedit32 = "{Malware path}\{Malware filename}.exe"
Other System Modifications
This spyware adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion
VendorId = "{Random Value}"
It creates the following registry entry(ies) to bypass Windows Firewall:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
{Malware Path}\{Malware Filename}.exe = "{Malware Path}\{Malware Filename}.exe:*:Enabled:Microsoft Office"
Information Theft
This spyware attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:
- SecureFX
- CoreFTP
- FTPRush
- UltraFXP
- ALFTP
- FTP Commander
- FTP Navigator
- CoffeeCup
- TurboFTP
- SmartFTP
- ws_ftp
- Ghisler
- MS IE FTP
- FileZilla
- GlobalScape
- far
- far2
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}.{BLOCKED}.217.141
- http://{BLOCKED}a.in/admin/index.php
Other Details
However, as of this writing, the said sites are inaccessible.
NOTES:
The spyware gathers email addresses from files except those with the following extensions:
- .rar
- .zip
- .cab
- .avi
- .mp3
- .jpg
- .gif
SOLUTION
9.800
12.226.04
22 Dec 2015
12.227.00
23 Dec 2015
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
Scan your computer with your Trend Micro product and note files detected as TSPY_KEGOTIP.YNJ
Step 4
Restart in Safe Mode
Step 5
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
- regedit32 = "{Malware path}\{Malware filename}.exe"
- regedit32 = "{Malware path}\{Malware filename}.exe"
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
- {Malware Path}\{Malware Filename}.exe = "{Malware Path}\{Malware Filename}.exe:*:Enabled:Microsoft Office"
- {Malware Path}\{Malware Filename}.exe = "{Malware Path}\{Malware Filename}.exe:*:Enabled:Microsoft Office"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
- VendorId = "{Random Value}"
- VendorId = "{Random Value}"
Step 6
Search and delete these files
- %User Temp%]\MSWQ{Available Drive's Letter}.tmp
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_KEGOTIP.YNJ. 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.
Step 8
Scan your computer with your Trend Micro product to delete files detected as TSPY_KEGOTIP.YNJ. 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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