Win32.HLLC.Asdas.19
Added to the Dr.Web virus database:
2010-10-07
Virus description added:
2012-11-04
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad] 'RemovableStorage' = '{fc349cf9-d6d2-4753-bfc0-63604db05b79}'
Modifies master boot record (MBR).
Malicious functions:
Creates and executes the following:
- %TEMP%\smss.exe 1
- %TEMP%\loader.exe 1
- %TEMP%\ftp-password-recovery-master-1.36.exe
Executes the following:
- <SYSTEM32>\regsvr32.exe /s "%TEMP%\windll.dll"
- <SYSTEM32>\ping.exe 192.192.192.192 -n 1 -w 5000
- <SYSTEM32>\cmd.exe /C ""%TEMP%\vji3.cmd" "%TEMP%\ftp-password-recovery-master-1.36.exe""
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
Modifies file system :
Creates the following files:
- %TEMP%\windll.dll
- %PROGRAM_FILES%\158234.dat
- %TEMP%\smss.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\banner2[1].php
- %CommonProgramFiles%\Removable\RemovableStorage.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\banner3[1].php
- %TEMP%\vji3.cmd
- %TEMP%\nsm2.tmp\NSISdl.dll
- %TEMP%\ftp-password-recovery-master-1.36.exe
- %PROGRAM_FILES%\138000.dat
- %TEMP%\ftp-password-recovery-master-1.36.log
- %TEMP%\loader.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\banner3[1].php
- %TEMP%\nsm2.tmp\NSISdl.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\banner2[1].php
- %TEMP%\vji3.cmd
- %PROGRAM_FILES%\138000.dat
- %TEMP%\ftp-password-recovery-master-1.36.exe
- %TEMP%\windll.dll
- %PROGRAM_FILES%\158234.dat
Network activity:
Connects to:
- 'www.we####rtalkz.com':80
- 'localhost':1039
- 'cu####tversion.biz':80
- 'localhost':1037
TCP:
HTTP GET requests:
- www.we####rtalkz.com/banner2.php?q=############################################################################################
- www.we####rtalkz.com/banner3.php?q=##############################################################################################
- cu####tversion.biz/windows/version.php?ve###########################################
UDP:
- DNS ASK www.we####rtalkz.com
- DNS ASK cu####tversion.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MozillaUIWindowClass' WindowName: ''
- ClassName: 'IEFrame' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
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