TROJ_EYELOAD.A
MSIL/Agent.PWZ (ESET)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be dropped by other malware.
It is used to load and execute a file.
TECHNICAL DETAILS
11,776 bytes
EXE
Yes
11 Nov 2014
Arrival Details
This Trojan may be dropped by the following malware:
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Multimedia Class Scheduler = ”{malware path and filename}.exe"
Other Details
This Trojan is used to load and execute the following file:
- %Application Data%\WindowsUpdate.exe - BKDR_FAKEMS.TRWS
- %Application Data%\Microsoft\atiesrx.exe - BKDR_FAKEMS.TRWS
- %User Profile%\Templates\takshost.exe - BKDR_FAKEMS.TRWS
- %Application Data%\Windows Update.exe - BKDR_FAKEMS.TRWS
(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.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
SOLUTION
9.700
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
Remove the malware/grayware file that dropped/downloaded TROJ_EYELOAD.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)
Step 4
Scan your computer with your Trend Micro product and note files detected as TROJ_EYELOAD.A
Step 5
Restart in Safe Mode
Step 6
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
- Multimedia Class Scheduler = ”{malware path and filename}.exe"
- Multimedia Class Scheduler = ”{malware path and filename}.exe"
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_EYELOAD.A. 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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