TSPY_EYEBOT.HJEA
Trojan:Win32/EyeStye.N (Microsoft)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives as attachment to mass-mailed email messages.
It modifies the Internet Explorer Zone Settings.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
246,784 bytes
EXE
Yes
11 May 2011
Arrival Details
This spyware arrives as attachment to mass-mailed email messages.
Installation
This spyware drops the following copies of itself into the affected system:
- %System Root%\Recycle.Bin\B6232F3A5BC.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 files:
- %System Root%\Recycle.Bin\01DC07C07056B0C
(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%\Recycle.Bin
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It terminates the execution of the copy it initially executed and executes the copy it drops instead.
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
4Y3Y0C3AVF7XWHXVPPIKKQV = "%System Root%\Recycle.Bin\B6232F3A5BC.exe /q"
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft Windows
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\PhishingFilter
EnabledV8 = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\PhishingFilter
ShownServiceDownBalloon = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Recovery
ClearBrowsingHistoryOnExit = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
ProxyHttp1.1 = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
WarnOnPostRedirect = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
WarnOnIntranet = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
GlobalUserOffline = "0"
Web Browser Home Page and Search Page Modification
This spyware modifies the Internet Explorer Zone Settings.
Other Details
This spyware deletes the initially executed copy of itself
SOLUTION
8.900
8.150.07
11 May 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\Internet Explorer\PhishingFilter
- EnabledV8 = "0"
- EnabledV8 = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
- ShownServiceDownBalloon = "0"
- ShownServiceDownBalloon = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery
- ClearBrowsingHistoryOnExit = "0"
- ClearBrowsingHistoryOnExit = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- ProxyHttp1.1 = "1"
- ProxyHttp1.1 = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- WarnOnPostRedirect = "0"
- WarnOnPostRedirect = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- WarnOnIntranet = "0"
- WarnOnIntranet = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- GlobalUserOffline = "0"
- GlobalUserOffline = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- 4Y3Y0C3AVF7XWHXVPPIKKQV = "%System Root%\Recycle.Bin\B6232F3A5BC.exe /q"
- 4Y3Y0C3AVF7XWHXVPPIKKQV = "%System Root%\Recycle.Bin\B6232F3A5BC.exe /q"
Step 4
Delete this registry key
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
- Microsoft Windows
Step 5
Reset Internet security settings
Step 6
Search and delete this folder
- %System Root%\Recycle.Bin
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_EYEBOT.HJEA. 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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