Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Window Timer' = '%WINDIR%\wintime.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\winsysa0133f8.exe
Malicious functions:
Creates and executes the following:
- C:\lqhhd.exe
- C:\saeaj.exe
- C:\kibu.exe
- C:\xveag.exe
- C:\psdhlu.exe
- C:\thkpj.exe
- %TEMP%\sbf91cc64.exe
- C:\pexx.exe
- C:\xveag.exe (downloaded from the Internet)
- C:\psdhlu.exe (downloaded from the Internet)
- C:\kibu.exe (downloaded from the Internet)
- C:\saeaj.exe (downloaded from the Internet)
- C:\pexx.exe (downloaded from the Internet)
- C:\thkpj.exe (downloaded from the Internet)
- C:\lqhhd.exe (downloaded from the Internet)
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\dnkyllmznn[1].php
- C:\kibu.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\nxurrfsgt[1].php
- C:\lqhhd.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\dmjxkkylmz[1].php
- C:\xveag.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\uaxlyzzmna[1].php
- C:\psdhlu.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\kudeefst[1]
- C:\saeaj.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\nxhuiij[1].php
- C:\-1998166001
- %WINDIR%\wintime.exe
- %TEMP%\sbf91cc64.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\zwguhhivma[1].php
- C:\pexx.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\hjtqqerebc[1].php
- C:\thkpj.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\slivwwxx[1].php
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\winsysa0133f8.exe
Deletes the following files:
- %TEMP%\sbf91cc64.exe
Deletes itself.
Network activity:
Connects to:
- 'ac###qyzex.com':80
TCP:
HTTP GET requests:
- ac###qyzex.com/progs/txueef/dmjxkkylmz.php
- ac###qyzex.com/progs/txueef/dnkyllmznn.php
- ac###qyzex.com/progs/txueef/uaxlyzzmna.php?ad#################################################
- ac###qyzex.com/progs/txueef/kudeefst
- ac###qyzex.com/progs/txueef/nxurrfsgt.php
- ac###qyzex.com/progs/txueef/zwguhhivma.php
- ac###qyzex.com/progs/txueef/nxhuiij.php?ad########
- ac###qyzex.com/progs/txueef/hjtqqerebc.php
- ac###qyzex.com/progs/txueef/slivwwxx.php
UDP:
- DNS ASK ac###qyzex.com