Ransomware_6c0e73b795

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

REG.exe:1472

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

%original file name%.exe:320

File activity

The process %original file name%.exe:320 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Главное меню\Программы\Автозагрузка%original file name%.exe (237056 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT (18432 bytes)

Registry activity

The process %original file name%.exe:320 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F8 00 70 11 F4 33 84 6A AB 65 61 C7 C7 74 6F 04"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Startup" = "%Documents and Settings%\%current user%\Главное меню\Программы\Автозагрузка"
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKCU\Software\Microsoft\GDIPlus]
"FontCachePath" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c:]
"%original file name%.exe" = "c:\"

The process REG.exe:1472 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

Task Manager is disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr" = "1"

Network activity (URLs)

No activity has been detected.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Screenshot

Removals

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):

   REG.exe:1472

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

   %Documents and Settings%\%current user%\Главное меню\Программы\Автозагрузка%original file name%.exe (237056 bytes)
   %Documents and Settings%\%current user%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT (18432 bytes)

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

   [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c:]
   "%original file name%.exe" = "c:\"

5. Reboot the computer.
   

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

Static Analysis

Network Activity

Map

Strings from Dumps