JACKPOS
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
JACKPOS is another PoS (point-of-sale) malware which gathers credit cards information. JACKPOS may arrive via drive-by attacks and presents itself as a legit Java (TM) platform SE binary or Java updater to trick users from installing it. This malware is designed to steal payment card information from the infected POS systems. It then utilizes a command-and-control (C&C) to exfiltrate the stolen credit card data. It also used its C&C to remove itself, or to download and install an updated copy of itself.
TECHNICAL DETAILS
Installation
This spyware drops and executes the following files:
- %User Temp%\svchost.exe - (watchdog component)
(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 drops the following copies of itself into the affected system:
- %Application Data%\Java SE Platform Updater\{file name}
(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 creates the following folders:
- %Application Data%\Java SE Platform Updater
(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 System Modifications
This spyware adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Java SE Platform Updater = "%Application Data%\Java SE Platform Updater\{file name}"
HKEY_CURRENT_USER\Software\Javaw
Pid = {Process ID of executed dropped copy of itself}
HKEY_CURRENT_USER\Software\Javaw
Pid1 = {Process ID of executed watchdog component}
Other Details
This spyware connects to the following possibly malicious URL:
- http://{domain}/post
- http://{domain}/post/echo
- http://{domain}/post/download
- {BLOCKED}iftclub1.info
- {BLOCKED}5u.biz
NOTES:
Where {file name} can be any of the following:
- jusched.exe
- jucheck.exe
- javaw.exe
- jureg.exe
- jse.exe
- java.exe
- javaws.exe
- javacpl.exe
{domain} can be any of the following websites:
- {BLOCKED}.{BLOCKED}.13.1
- {BLOCKED}i.kir22.ru
- {BLOCKED}iftclub.info
- {BLOCKED}iftclub1.info
- {BLOCKED}s.hk
- {BLOCKED}5u.biz
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
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 this file
- %User Temp%\svchost.exe
Step 4
Search and delete these folders
- %Application Data%\Java SE Platform Updater
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
- Java SE Platform Updater = "%Application Data%\Java SE Platform Updater\{file name}"
- Java SE Platform Updater = "%Application Data%\Java SE Platform Updater\{file name}"
- In HKEY_CURRENT_USER\Software\Javaw
- Pid = "{Process ID of executed dropped copy of itself}"
- Pid = "{Process ID of executed dropped copy of itself}"
- In HKEY_CURRENT_USER\Software\Javaw
- Pid1 = "{Process ID of executed watchdog component}"
- Pid1 = "{Process ID of executed watchdog component}"
Step 6
Scan your computer with your Trend Micro product to delete files detected as JACKPOS. 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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