MD5: 9015b603ee74c7bd8989a18b8ba1ad32
SHA1: 60bf8ccd9a080be200ec5332e51895b678fdfd74
SHA256: cb1e11073da7b96e3a3158650adca8e6843ebd52a1cc1a76016ac04ca59f385f
SSDeep: 3072:5aClPjgYmwVctIdvbJW46 MlMvnOg0kwRsibMEe9nep8NrA:5aMmwVcUVWwmNJqeMEuVO
Size: 141460 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: SummerSoft
Created at: 2012-11-11 19:11:19

Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

7D3B99B5951.exe:2564

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

ctfmon.exe:252

File activity

The process 7D3B99B5951.exe:2564 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\win32\D286E1C5C22EAD4 (16 bytes)

Registry activity

The process 7D3B99B5951.exe:2564 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CD 3E 9C A3 78 6B 21 62 99 18 FA 41 F8 06 05 2D"

The process ctfmon.exe:252 makes changes in the system registry.
The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

Network activity (URLs)

No activity has been detected.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

InternetWriteFile
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
HttpOpenRequestA
HttpAddRequestHeadersA
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
InternetQueryOptionA

The Trojan installs the following user-mode hooks in USER32.dll:

TranslateMessage

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in ADVAPI32.dll:

CryptEncrypt

The Trojan installs the following user-mode hooks in WS2_32.dll:

send

The Trojan installs the following user-mode hooks in ntdll.dll:

ZwVdmControl
ZwSetInformationFile
NtResumeThread
ZwQueryDirectoryFile
ZwEnumerateValueKey

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. Scan a system with an anti-rootkit tool.
   
2. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   7D3B99B5951.exe:2564
   

3. Delete the original Trojan file.
   
4. Delete or disinfect the following files created/modified by the Trojan:
   

   C:\win32\D286E1C5C22EAD4 (16 bytes)

5. Reboot the computer.
   

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