WORM_ENCMARUE.SM
Worm:Win32/Gamarue.W (Microsoft), Trojan.Win32.Agent.hwve (Kaspersky)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm 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
338,062 bytes
Other
09 Aug 2013
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
{Random Number} = "%TEMP%\{Random Characters}.exe"
Other System Modifications
This worm adds the following registry entries:
HKEY_CURRENT_USER\Software
DOS_STUB = "{Random Hex Values}"
HKEY_CURRENT_USER\Software
IMAGE_FILE_HEADER = "{Random Hex Values}"
HKEY_CURRENT_USER\Software
ImageBase = "{Random Hex Values}"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\ShellNoRoam\MUICache\
%TEMP%
fp_pl_pfs_installer.exe = "Pekir"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft
{DWORD} = "{Random Hex Values}"
Web Browser Home Page and Search Page Modification
This worm modifies the Internet Explorer Zone Settings.
Other Details
This worm connects to the following possibly malicious URL:
- http://m.{BLOCKED}eavy.ru/m
- http://a.{BLOCKED}eavy.ru/a?=xjkxjkxyklyzlmzlmzamnabnobnobcoz
- http://b.{BLOCKED}eavy.ru/b?=dpqdeqrsfgstghtuhijvxjkxyklyzamx
- http://c.{BLOCKED}eavy.ru/c?=refrsfghtuhiuvijvxyklyzlmzamnobl
- http://{BLOCKED}uojy.ru/2ldr.php
- http://{BLOCKED}uojy.ru/3ldr.php
- http://{BLOCKED}uojy.ru/41ldr.php
- http://{BLOCKED}uojy.ru/51ldr.php
- http://{BLOCKED}uojy.ru/6ldr.php
- http://{BLOCKED}d.ru/static.php
It drops the following file(s)/component(s):
- %All Users Profile%\Local Settings\Temp\{Random Characters}.exe
- %System%\MSI\TrustedInstaller.exe
- %TEMP%\fp_pl_pfs_installer.exe
(Note: %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.)