MD5: 592887457f32e069629dded2854120c1
SHA1: 0461ffd4e43631fdd53e0475173249cc7679aff3
SHA256: 83fe65e41988b6df94f35c8c7433283e535f17ee96be1a6d32fe1e6a343c4ae9
SSDeep: 1536:7ohGYE6F4z5plJF68BmYvql4y8JytWJFYDEUwY0Y2j4rWunCr:7ohPgz5lFfvc4NnJFYDEUwY0YSctn4
Size: 68608 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC; UPolyXv05_v6; NETexecutable
Company: no certificate found
Created at: 2013-07-25 00:59:13

Summary:

Packed. A packed file can be a compressed and/or encrypted in a manner that prevents matching the memory image of that file and the actual file on disk. Sometimes used for copy protection, packers are often used to make Spyware less easy to analyze/detect.

Payload

No specific payload has been found.

Process activity

The Packed creates the following process(es):

The Packed injects its code into the following process(es):

592887457f32e069629dded2854120c1.exe:1820

File activity

The process 592887457f32e069629dded2854120c1.exe:1820 makes changes in a file system.
The Packed creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Microsoft\dllserver.exe (46207 bytes)

Registry activity

The process 592887457f32e069629dded2854120c1.exe:1820 makes changes in a system registry.
The Packed creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "21 29 65 C0 01 4C 23 DF 84 07 58 8E 91 53 7E 2D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Application Data\Microsoft]
"dllserver.exe" = "Origin"

The Packed modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Packed modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Packed modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Microsoft Update" = "%Documents and Settings%\%current user%\Application Data\Microsoft\client.exe"

Network activity (URLs)

URL	IP
hxxp://198.23.167.160/sil1001/UFA.exe (Malicious)

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 the original Packed's process (How to End a Process With the Task Manager).
2. Delete the original Packed file.
   
3. Delete or disinfect the following files created/modified by the Packed:
   

   %Documents and Settings%\%current user%\Application Data\Microsoft\dllserver.exe (46207 bytes)

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

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Microsoft Update" = "%Documents and Settings%\%current user%\Application Data\Microsoft\client.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.