TSPY_INFOSTEAL.XTS
TR/Dropper.MSIL.Gen (Avira), Win32.Trojan.WisdomEyes.16070401.9500.9742 (Baidu), Trojan.Dropper (Ikarus)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It gathers certain information on the affected computer.
It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
14,336 bytes
EXE
No
08 Jun 2017
Connects to URLs/IPs
Arrival Details
This Trojan Spy 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 Spy adds the following processes:
- cmd.exe /c wmic os get "SerialNumber" | find /v "SerialNumber" -> get OS Serial Number
- cmd.exe /c echo %userdomain%\%username% -> get user information
It creates the following folders:
- %Application Data%\Windows Common Files\ups
- %Application Data%\Windows Common Files\dns
(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.)
Information Theft
This Trojan Spy gathers the following information on the affected computer:
- OS Serial Number
- Username and Domain
Other Details
This Trojan Spy connects to the following website to send and receive information:
- http://{BLOCKED}ate.com/default.aspx
It requires the existence of the following files to properly run:
- C:\Users\Public\Public\backup.bk -> contains website information
However, as of this writing, the said sites are inaccessible.
SOLUTION
9.850
13.398.03
11 May 2017
13.399.00
12 May 2017
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
Search and delete these folders
- %Application Data%\Windows Common Files\ups
- %Application Data%\Windows Common Files\dns
Step 4
Scan your computer with your Trend Micro product to delete files detected as TSPY_INFOSTEAL.XTS. 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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