Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Extensible Level Socket Upgrade' = '<SYSTEM32>\evlomypv.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\IPsec Session Window Firewall] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- %WINDIR%\Temp\wnhfcdr2kpozjca.exe -r 37619 tcp
- %WINDIR%\Temp\wnhfcdr388gzjca.exe -r 44836 tcp
- <SYSTEM32>\flsfemoinds.exe "<SYSTEM32>\evlomypv.exe"
- %TEMP%\wnhfcdr23kxzjclguwrp.exe
- <SYSTEM32>\evlomypv.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\quqncjbsy\run
- <SYSTEM32>\quqncjbsy\rng
- <SYSTEM32>\quqncjbsy\cfg
- %WINDIR%\Temp\wnhfcdr388gzjca.exe
- %WINDIR%\Temp\wnhfcdr2kpozjca.exe
- %TEMP%\wnhfcdr23kxzjclguwrp.exe
- <SYSTEM32>\quqncjbsy\tst
- <SYSTEM32>\quqncjbsy\etc
- <SYSTEM32>\flsfemoinds.exe
- <SYSTEM32>\evlomypv.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\flsfemoinds.exe
- <SYSTEM32>\evlomypv.exe
Deletes the following files:
- %WINDIR%\Temp\wnhfcdr2kpozjca.exe
- <DRIVERS>\etc\hosts
- %TEMP%\wnhfcdr23kxzjclguwrp.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'tr###entral.com':80
TCP:
HTTP GET requests:
- tr###entral.com/so31/isup.php?v=##################
UDP:
- DNS ASK hi###anblog.com
- DNS ASK tr###entral.com
- '<Private IP address>':1039
- '<Private IP address>':1036
- '23#.#55.255.250':1900
