Inst.exe,setup.exe Trojan Trojan-psw.win32.magania.cjy Solution _ Virus killing

Trojan Trojan-psw.win32.magania.cjy
Inst.exe,setup.exe
Backdoor/agent.apnf
Virus Name: Trojan-psw.win32.magania.cjy
Virus type: Trojan Horse
Jiangmin Antivirus 10.00.650 backdoor/agent.apnf 1.395
NOD32 2.70.10 a variant of WIN32/PSW. Onlinegames.nff Trojan 4.185

The virus is a new variant of the Magnea virus, releasing a DLL to steal the network game's account password via hooks and memory interception. After running, you will release some AV images and open them, then release the virus to the program files and Windows\Help directory.


Behavioral analysis
Release files after running:
C:\Program Files\inst.exe
date:11-29-2007 11:00 PM
size:103,163 bytes
C:\Program Files\inst.txt
date:11-29-2007 10:44 PM
size:0 bytes
C:\Program Files\setup.exe
date:12-28-2007 2:41 PM
size:76,388 bytes
C:\Program files\mypic\2006924192650605.jpg
date:7-19-2007 6:28 AM
size:7,613 bytes
C:\Program files\mypic\2006924192732323.jpg
date:7-19-2007 6:28 AM
size:7,649 bytes
C:\Program files\mypic\2006924192810432.jpg
date:7-19-2007 6:28 AM
size:7,598 bytes
C:\Program files\mypic\2006924192810821.jpg
date:7-19-2007 6:28 AM
size:13,258 bytes
C:\Program files\mypic\2006924192810918.jpg
date:7-19-2007 6:28 AM
size:7,702 bytes
C:\WINDOWS\1.bat
date:1-4-2008 1:06 PM
size:96 bytes
C:\WINDOWS\Help\F3C74E3FA248.dll
date:1-4-2003 1:06 PM
size:60,928 bytes
C:\WINDOWS\Help\F3C74E3FA248.exe
date:12-28-2007 2:41 PM
size:76,388 bytes
The pictures are all AV pictures.


Release Ask after run
C:\WINDOWS\Help\F3C74E3FA248.dll
C:\WINDOWS\Help\F3C74E3FA248.exe
Steal game account password.


Set up a service to boot:
Hkey_local_machine\software\microsoft\windows\

Currentversion\explorer\shellexecutehooks "{1dbd6574-d6d0-4782-94c3-69619e719765}"
Type:reg_sz
Data:c:\windows\help\f3c74e3fa248.dll


Solution:
To delete a file:
C:\Program Files\inst.exe
C:\Program Files\inst.txt
C:\Program Files\setup.exe
C:\Program files\mypic\2006924192650605.jpg
C:\Program files\mypic\2006924192732323.jpg
C:\Program files\mypic\2006924192810432.jpg
C:\Program files\mypic\2006924192810821.jpg
C:\Program files\mypic\2006924192810918.jpg
C:\WINDOWS\1.bat
C:\WINDOWS\Help\F3C74E3FA248.dll
C:\WINDOWS\Help\F3C74E3FA248.exe

To delete a registry service startup project:
Hkey_local_machine\software\microsoft\windows\

currentversion\explorer\shellexecutehooks\{1dbd6574-d6d0-4782-94c3-69619e719765}