TROJ_INJECTO.BVV
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It modifies the Internet Explorer Zone Settings.
TECHNICAL DETAILS
450,184 bytes
EXE
28 Oct 2013
Arrival Details
This Trojan 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 drops the following file(s)/component(s):
- %Application Data%\Microsoft\Windows\FpLd6GBoSJ\FpLd6GBoSJ.dat
- %Application Data%\Microsoft\Windows\FpLd6GBoSJ\FpLd6GBoSJ.svr
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
It drops the following copies of itself into the affected system:
- %Application Data%\Microsoft\Windows\FpLd6GBoSJ\FpLd6GBoSJ.nfo
- %Application Data%\ {814D18C3-95C7-4A}\uninstall.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
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
HKEY_CURRENT_USER = "%Application Data%\ {814D18C3-95C7-4A}\uninstall.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE = "%Application Data%\ {814D18C3-95C7-4A}\uninstall.exe"
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CURRENT_USER\Software\{Random Number}
Mutex = "FpLd6GBoSJ"
HKEY_CURRENT_USER\Software\FpLd6GBoSJ
FirstExecution = "{Date and Time}"
HKEY_CURRENT_USER\Software\FpLd6GBoSJ
InstalledServer = "%Application Data%\ {814D18C3-95C7-4A}\uninstall.exe"
HKEY_CURRENT_USER\Software\FpLd6GBoSJ
NewGroup = "Servers"
HKEY_CURRENT_USER\Software\FpLd6GBoSJ
NewId = "Server"
HKEY_CURRENT_USER\Software\FpLd6GBoSJ
ServerStarted = "{Date and Time}"
Web Browser Home Page and Search Page Modification
This Trojan modifies the Internet Explorer Zone Settings.
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}.9.126:3377/123456.functions
- http://{BLOCKED}sec.org/email/asp/email.php?email=
- http://www.{BLOCKED}er.com/serverplugin.srv
- http://www.{BLOCKED}sting.com/tagger.php