MD5: 954f239d2ca0c279b72e56fcbb2454f0
SHA1: fd9f9421aba5e727b48902e7daa487b587ec714f
SHA256: 2ed46db61b9750353279be66df0d2439e35730b1e2f09474a61f3e43ef92ea60
SSDeep: 12288:ipljoobaC wZqYwk4oUoERZgvyxNxdkw0QrJ/R8ulf3dHyg6L:ipFvpqYcoKbdktQt/Vf3mL
Size: 531457 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2013-05-31 02:36:38

Summary:

Backdoor. Malware that enables a remote control of victim's machine.

Payload

No specific payload has been found.

Process activity

The Backdoor creates the following process(es):

954f239d2ca0c27:596

File activity

The process 954f239d2ca0c27:596 makes changes in a file system.
The Backdoor creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\temp_xJSpnLfkEz\svchost.exe (7547 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp1.tmp.exe (1812 bytes)

The Backdoor deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\tmp1.tmp (0 bytes)

Registry activity

The process 954f239d2ca0c27:596 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F9 34 79 DF 42 27 C0 B3 82 07 87 9A CA 69 29 2D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

To automatically run itself each time Windows is booted, the Backdoor adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"kb5674.exe" = "%Documents and Settings%\%current user%\Local Settings\Temp\tmp1.tmp.exe"

Network activity (URLs)

URL	IP
hxxp://dl-balancer.x.dropbox.com/FileToDownload.exe
zoukiny.no-ip.biz	70.53.244.58
dl.dropbox.com	23.21.218.96

Rootkit activity

No anomalies have been detected.

Propagation

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   954f239d2ca0c27:596

2. Delete the original Backdoor file.
   
3. Delete or disinfect the following files created/modified by the Backdoor:
   

   %Documents and Settings%\%current user%\Local Settings\Temp\temp_xJSpnLfkEz\svchost.exe (7547 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp1.tmp.exe (1812 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "kb5674.exe" = "%Documents and Settings%\%current user%\Local Settings\Temp\tmp1.tmp.exe"

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
6. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.