Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'BitTorrent' = '%APPDATA%\BitTorrent\BitTorrent.exe /MINIMIZED'
Modifies file system:
Creates the following files:
- %APPDATA%\BitTorrent\apps\welcome-upsell.btapp
- %APPDATA%\BitTorrent\apps\player.btapp
- %APPDATA%\BitTorrent\settings.dat.new
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\BitTorrent.lnk
- %APPDATA%\BitTorrent\maindoc.ico
- %APPDATA%\BitTorrent\is-MLPD0.tmp
- %APPDATA%\BitTorrent\is-996HC.tmp
- %TEMP%\is-0RLT5.tmp\_isetup\_shfoldr.dll
- %APPDATA%\BitTorrent\apps\featuredContent.btapp
- %TEMP%\is-UBB24.tmp\settings&lng.tmp
- %TEMP%\Cab2.tmp
- %APPDATA%\Microsoft\Protect\CREDHIST
- %TEMP%\utt1.tmp
- %TEMP%\7ZipSfx.000\BitTorrent.exe
- %TEMP%\7ZipSfx.000\settings&lng.exe
- %HOMEPATH%\Start Menu\BitTorrent.lnk
- %HOMEPATH%\Desktop\BitTorrent.lnk
- %HOMEPATH%\Cookies\%USERNAME%@localhost[1].txt
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2052111302-484763869-725345543-1003\9d1627c087e30ee6fe8c9cce3c77e841_23ef5514-3059-436f-a4a7-4cefaab20eb1
- %APPDATA%\BitTorrent\BitTorrent.exe
Deletes the following files:
- %TEMP%\is-UBB24.tmp\settings&lng.tmp
- %TEMP%\7ZipSfx.000\BitTorrent.exe
- %TEMP%\7ZipSfx.000\settings&lng.exe
- %TEMP%\is-0RLT5.tmp\_isetup\_shfoldr.dll
- %TEMP%\Cab2.tmp
- %TEMP%\utt1.tmp
- %APPDATA%\BitTorrent\settings.dat
Moves the following files:
- from %APPDATA%\BitTorrent\is-MLPD0.tmp to %APPDATA%\BitTorrent\bittorrent.lng
- from %APPDATA%\BitTorrent\settings.dat.new to %APPDATA%\BitTorrent\settings.dat
Substitutes the following files:
- %APPDATA%\BitTorrent\settings.dat
Network activity:
Connects to:
- 'up####.utorrent.com':80
- 'ap##.#ittorrent.com':80
- 'bu#####.bittorrent.com':80
- 'wp#d':80
- 'download.windowsupdate.com':80
- 'localhost':1039
TCP:
HTTP GET requests:
- http://ap##.#ittorrent.com/utorrent-onboarding/player.btapp
- http://up####.utorrent.com/installstats.php?cl##########################################################################################################################
- http://bu#####.bittorrent.com/onboarding/bittorrent?ur########################################
- http://ap##.#ittorrent.com/utorrent-onboarding/welcome-upsell.btapp
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt via download.windowsupdate.com
- http://11#.#11.111.1/wpad.dat via wp#d
- http://up####.utorrent.com/installstats.php?cl###################################################################################################################################################
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab via download.windowsupdate.com
UDP:
- DNS ASK ap##.#ittorrent.com
- DNS ASK up####.utorrent.com
- DNS ASK ut#####t.utorrent.com
- DNS ASK bu#####.bittorrent.com
- DNS ASK www.download.windowsupdate.com
- DNS ASK wp#d
- DNS ASK ro####.utorrent.com
- DNS ASK ro####.bittorrent.com
Miscellaneous:
Creates and executes the following:
- '%TEMP%\is-UBB24.tmp\settings&lng.tmp' /SL5="$50036,188585,119296,%TEMP%\7ZipSfx.000\settings&lng.exe" /VERYSILENT
- '%TEMP%\7ZipSfx.000\settings&lng.exe' /VERYSILENT
- '%TEMP%\7ZipSfx.000\BitTorrent.exe' /S /PERFORMINSTALL 0 /NORUN
