Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Mircosoft manager of multimedia codecs] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\les.exe'
- '<SYSTEM32>\les.exe' /u "<Full path to virus>"
Modifies file system :
Creates the following files:
- C:\Documents and Settings\LocalService\Local Settings\Temporary Internet Files\Content.IE5\CJCTQ25G\krnl_tasks[1].htm
- <SYSTEM32>\les.exe
- C:\burunduk.log
Deletes itself.
Network activity:
Connects to:
- 'bu####uk.phpnet.us':80
TCP:
HTTP POST requests:
- bu####uk.phpnet.us/krnl_tasks.php
UDP:
- DNS ASK bu####uk.phpnet.us