Win32.HLLM.MyDoom.1637
Added to the Dr.Web virus database:
2013-08-30
Virus description added:
2013-09-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%APPDATA%\Roaming\Standart\nvtray.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%APPDATA%\Roaming\Standart\scvhostr.exe'
Malicious functions:
Creates and executes the following:
- '%APPDATA%\Roaming\Standart\nighthawk.exe'
- '%APPDATA%\Roaming\Standart\nvtray.exe'
- '%APPDATA%\Roaming\Standart\scvhostr.exe'
- '%APPDATA%\Roaming\Standart\nighthawk.exe' (downloaded from the Internet)
- '%APPDATA%\Roaming\Standart\nvtray.exe' (downloaded from the Internet)
- '%APPDATA%\Roaming\Standart\scvhostr.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\wermgr.exe' -queuereporting
Modifies file system :
Creates the following files:
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\YF7T7AK2\usft_ext[1].dll
- %APPDATA%\Roaming\Standart\usft_ext.dll
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\6P5SDOMI\phatk[1].ptx
- %APPDATA%\Roaming\Standart\phatk.ptx
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\SOXZEUJX\nighthawk[1].exe
- %APPDATA%\Roaming\Standart\nighthawk.exe
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\BOWDBRP7\nvtray[1].exe
- %APPDATA%\Roaming\Standart\nvtray.exe
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\YF7T7AK2\coinutil[1].dll
- %APPDATA%\Roaming\Standart\coinutil.dll
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\6P5SDOMI\scvhostr[1].exe
- %APPDATA%\Roaming\Standart\scvhostr.exe
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\SOXZEUJX\openssl[1].dll
- %APPDATA%\Roaming\Standart\openssl.dll
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\BOWDBRP7\miner[1].dll
- %APPDATA%\Roaming\Standart\miner.dll
Network activity:
Connects to:
- 'se####22.tipido.net':80
- 'localhost':60509
TCP:
HTTP GET requests:
- se####22.tipido.net/usft_ext.dll
- se####22.tipido.net/phatk.ptx
- se####22.tipido.net/nighthawk.exe
- se####22.tipido.net/nvtray.exe
- se####22.tipido.net/coinutil.dll
- se####22.tipido.net/scvhostr.exe
- se####22.tipido.net/openssl.dll
- se####22.tipido.net/miner.dll
UDP:
- DNS ASK se####22.tipido.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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