TSPY_SPYEYE.ATC
Trojan:Win32/EyeStye.H (Microsoft), PWS-Spyeye.e (Mcafee), Trojan-Spy.Win32.SpyEyes.eim (Kaspersky)
Windows 2000,Windows XP, Windows Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This spyware may be downloaded by other malware/grayware/spyware from remote sites. It may be dropped by other malware.
It connects to a website to send and receive information.
It also has rootkit capabilities, which enables it to hide its processes and files from the user.
TECHNICAL DETAILS
282,112 bytes
PE
UPX
Yes
14 Jan 2011
Compromises system security
Arrival Details
This spyware may be downloaded by other malware/grayware/spyware from remote sites.
It may be dropped by other malware.
Installation
This spyware drops the following copies of itself into the affected system:
- %System Root%\portwexexe\portwexexe.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It drops the following non-malicious file:
- %System Root%\portwexexe\config.bin
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It creates the following folders:
- %System Root%\portwexexe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- twxter
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
portwexexe.exe = "%System Root%\portwexexe\portwexexe.exe"
Backdoor Routine
This spyware connects to the following websites to send and receive information:
- http://{BLOCKED}aper.com
Rootkit Capabilities
This spyware also has rootkit capabilities, which enables it to hide its processes and files from the user.
Other Details
This spyware connects to the following URL(s) to check for an Internet connection:
- www.microsoft.com
It does the following:
- It initially connects to the server by sending information using the following format:
- http://{BLOCKED}aper.com/trr1/degater65.php?guid={bot guid}&ver={bot version}&stat={bot status}&ie={IE version}&os={OS version}&ut={user type}&plg={plugin}&ccrc={crc of configuration file}&md5={md5 hash}
- It steals FTP accounts
- It steals POP3 accounts
- It steals certificates
- It captures screenshots
- It captures entered information in web forms
- It can perform webinjects in major browsers (e.g. Internet Explorer, Firefox, etc.)
- It automates the transfer of money in credit cards using the IP location
SOLUTION
8.900
8.769.00
14 Jan 2011
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Restart in Safe Mode
Step 3
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
- portwexexe.exe = "%System Root%\portwexexe\portwexexe.exe"
- portwexexe.exe = "%System Root%\portwexexe\portwexexe.exe"
Step 4
Search and delete this folder
- %System Root%\portwexexe
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_SPYEYE.ATC. 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.
Did this description help? Tell us how we did.