Win32.HLLM.Graz.373

Win32.HLLM.Graz.373

Added to the Dr.Web virus database: 2016-04-21

Virus description added: 2016-04-20

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dplafde' = '%APPDATA%\ccfgkmgr\encatrep.exe'

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\explorer.exe' = '%WINDIR%\explorer.exe:*:Enabled:Windows Expl...

Creates and executes the following:

Executes the following:

'<SYSTEM32>\cmd.exe' /C ""%APPDATA%\ccfgkmgr\encatrep.exe" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\37B6\31.bat" "%APPDATA%\ccfgkmgr\encatrep.exe" "<Full path to virus>""

Injects code into

the following system processes:

the following user processes:

Searches for registry branches where third party applications store passwords:

[<HKCU>\Software\Microsoft\Windows Live Mail]
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
[<HKCU>\Software\Microsoft\Windows Mail]
[<HKCU>\Software\Microsoft\Internet Account Manager]
[<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]

Modifies file system:

Creates the following files:

Deletes the following files:

Deletes itself.

Network activity:

Connects to:

TCP:

HTTP GET requests:

http://eb####alalusys.ru/images/GCiD8Y4RjfSszp/OYHYQurf0_2FntILJcFeZ/KRT4mYdATLH_2Bwl/3ud6Jb1WY5qIQSu/omAznLW5rBtePrfLT5/Az1tIdwqh/Bk_2F_2BlbG6pRaQyDWi/IyljozOnguD3yQ4dWh8/OIhdR7Zp84UO9fkwQ0v66...

UDP:

Miscellaneous:

Searches for the following windows: