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PUA.Win32.OpenCandy.PAO

March 25, 2020
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

2,530,304 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

25 Mar 2020

Arrival Details

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Potentially Unwanted Application adds the following processes:

  • %System%\mshta.exe "%User Temp%\HYDA322.tmp.1574641249\HTA\index.hta?utorrent" "{malware file path and name}" /LOG "%User Temp%\HYDA322.tmp.1574641249\index.hta.log" /PID "3004" /CID "kSmg3_drvN_B_CZP" /VERSION "110077274" /BUCKET "0" /SSB "1" /COUNTRY "US" /OS "6.1" /BROWSERS "\"%System Root%\Program Files\Mozilla Firefox\firefox.exe\",\"%Program Files%\Google\Chrome\Application\chrome.exe\",%System Root%\Program Files\Internet Explorer\iexplore.exe,\"%System Root%\Program Files\VMware\VMware Tools\VMwareHostOpen.exe\" --default http" /ARCHITECTURE "64" /LANG "en" /USERNAME "{username}" /SID "S-1-5-21-2407829820-1079796033-203259571-500" /CLIENT "utorrent"
  • uTorrent.exe /NOINSTALL /BRINGTOFRONT
  • "%System%\cscript.exe" "shell_scripts/check_if_cscript_is_working.js"
  • cscript "shell_scripts/check_if_cscript_is_working.js"
  • "%System%\PING.EXE" 8.8.8.8 -n 2 -w 500
  • ping 8.8.8.8 -n 2 -w 500
  • "%System%\cscript.exe" shell_scripts/shell_ping_after_close.js "http://i-50.{BLOCKED}0.XYZ.bench.utorrent.com/e?{random characters}"
  • cscript shell_scripts/shell_ping_after_close.js "http://i-50.{BLOCKED}0.XYZ.bench.utorrent.com/e?{random characters}"
  • "%Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe" uTorrent_1160_00EA9D00_1059312439 \xc2\xb5Torrent4823DF041B09 uTorrent
  • "%Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe" uTorrent_1160_00EA9BD0_494971657 \xc2\xb5Torrent4823DF041B09 uTorrent
  • "%Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe" uTorrent_1160_00EA9BD0_605622448 \xc2\xb5Torrent4823DF041B09 uTorrent
  • "%Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe" uTorrent_1160_00EA9BD0_1315889539 \xc2\xb5Torrent4823DF041B09 uTorrent

It creates the following folders:

  • %System Root%\Users
  • %Application Data%\uTorrent\updates\3.4.7_42330
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n
  • %User Profile%\AppData
  • %Application Data%\uTorrent\dlimagecache
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts
  • %User Temp%\HYDA322.tmp.1574641249\HTA
  • %User Temp%\HYDA322.tmp.1574641249
  • %Application Data%\uTorrent\share
  • %Application Data%\uTorrent
  • %Application Data%\uTorrent\updates
  • %Application Data%\uTorrent\apps
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Autostart Technique

This Potentially Unwanted Application adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
uTorrent = "%Application Data%\uTorrent\uTorrent.exe /MINIMIZED"

Other System Modifications

This Potentially Unwanted Application deletes the following files:

  • %Application Data%\uTorrent\apps\plus.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\player.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\featuredContent.btapp.30297.tmp

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Classes\
FalconBetaAccount
remote_access_client_id = "0440846356"

HKEY_CURRENT_USER\Software\BitTorrent\
uTorrent
OfferProvider = ""

HKEY_CURRENT_USER\Software\BitTorrent\
uTorrent
OfferName = ""

HKEY_CURRENT_USER\Software\BitTorrent\
uTorrent
OfferAccepted = "0"

HKEY_CURRENT_USER\Software\BitTorrent\
uTorrent
OfferViaCAU = "0"

HKEY_CURRENT_USER\Software\BitTorrent
computerID = "!\xe4\xb9\xb6\x91)\xa0\xdf\xf7k\xbc\xdf\xc1\xfc&O\x92\x98\x896\xbd\x1dy\xcf"

HKEY_CURRENT_USER\Software\Classes\
.torrent
(Default) = "uTorrent"

HKEY_CURRENT_USER\Software\Classes\
uTorrent\DefaultIcon
(Default) = "%Application Data%\uTorrent\maindoc.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "12"

HKEY_CURRENT_USER\Software\Classes\
.torrent
Content Type = "application/x-bittorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-bittorrent
Extension = ".torrent"

HKEY_CURRENT_USER\Software\Classes\
MIME\Database\Content Type\
application/x-bittorrent
Extension = ".torrent"

HKEY_CURRENT_USER\Software\Classes\
uTorrent\shell\open\
command
(Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"

HKEY_CURRENT_USER\Software\Classes\
uTorrent\shell
(Default) = "open"

HKEY_CURRENT_USER\Software\Classes\
uTorrent\Content Type
(Default) = "application/x-bittorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "13"

HKEY_CURRENT_USER\Software\Classes\
.torrent\OpenWithProgids
uTorrent = ""

HKEY_CURRENT_USER\Software\Classes\
Magnet
(Default) = "Magnet URI"

HKEY_CURRENT_USER\Software\Classes\
Magnet
URL Protocol = ""

HKEY_CURRENT_USER\Software\Classes\
Magnet
Content Type = "application/x-magnet"

HKEY_CURRENT_USER\Software\Classes\
Magnet\shell\open\
command
(Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"

HKEY_CURRENT_USER\Software\Classes\
Magnet\shell
(Default) = "open"

HKEY_CURRENT_USER\Software\Classes\
Magnet\DefaultIcon
(Default) = "%Application Data%\uTorrent\maindoc.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "16"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "17"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "18"

HKEY_CURRENT_USER\Software\Classes\
bittorrent
(Default) = "bittorrent URI"

HKEY_CURRENT_USER\Software\Classes\
bittorrent
URL Protocol = ""

HKEY_CURRENT_USER\Software\Classes\
bittorrent
Content Type = "application/x-bittorrent-protocol"

HKEY_CURRENT_USER\Software\Classes\
bittorrent\shell\open\
command
(Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"

HKEY_CURRENT_USER\Software\Classes\
bittorrent\shell
(Default) = "open"

HKEY_CURRENT_USER\Software\Classes\
bittorrent\DefaultIcon
(Default) = "%Application Data%\uTorrent\maindoc.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "19"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "20"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "21"

HKEY_CURRENT_USER\Software\Classes\
.btapp
(Default) = "uTorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "22"

HKEY_CURRENT_USER\Software\Classes\
.btapp
Content Type = "application/x-bittorrent-app"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-bittorrent-app
Extension = ".btapp"

HKEY_CURRENT_USER\Software\Classes\
MIME\Database\Content Type\
application/x-bittorrent-app
Extension = ".btapp"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "23"

HKEY_CURRENT_USER\Software\Classes\
.btskin
(Default) = "uTorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "24"

HKEY_CURRENT_USER\Software\Classes\
.btskin
Content Type = "application/x-bittorrent-skin"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-bittorrent-skin
Extension = ".btskin"

HKEY_CURRENT_USER\Software\Classes\
MIME\Database\Content Type\
application/x-bittorrent-skin
Extension = ".btskin"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "25"

HKEY_CURRENT_USER\Software\Classes\
.btinstall
(Default) = "uTorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "26"

HKEY_CURRENT_USER\Software\Classes\
.btinstall
Content Type = "application/x-bittorrent-appinst"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-bittorrent-appinst
Extension = ".btinstall"

HKEY_CURRENT_USER\Software\Classes\
MIME\Database\Content Type\
application/x-bittorrent-appinst
Extension = ".btinstall"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "27"

HKEY_CURRENT_USER\Software\Classes\
.btkey
(Default) = "uTorrent"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "28"

HKEY_CURRENT_USER\Software\Classes\
.btkey
Content Type = "application/x-bittorrent-key"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-bittorrent-key
Extension = ".btkey"

HKEY_CURRENT_USER\Software\Classes\
MIME\Database\Content Type\
application/x-bittorrent-key
Extension = ".btkey"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "29"

HKEY_CURRENT_USER\Software\Classes\
.btsearch\OpenWithProgids
uTorrent = ""

HKEY_CURRENT_USER\Software\Classes\
Applications\uTorrent.exe\shell
(Default) = "open"

HKEY_CURRENT_USER\Software\Classes\
Applications\uTorrent.exe\shell\
open\command
(Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
DisplayIcon = "%Application Data%\uTorrent\uTorrent.exe,0"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
DisplayName = "\xc2\xb5Torrent"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
DisplayVersion = "3.4.7.42330"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
UninstallString = "%Application Data%\uTorrent\uTorrent.exe /UNINSTALL"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
InstallLocation = "%Application Data%\uTorrent"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
VersionMajor = "3"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
MajorVersion = "3"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
VersionMinor = "4"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
MinorVersion = "4"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
NoModify = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
NoRepair = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
URLInfoAbout = "http://www.{BLOCKED}nt.com"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
uTorrent
Publisher = "BitTorrent Inc."

HKEY_CURRENT_USER\Software\BitTorrent\
uTorrent
Revision = "42330"

Dropping Routine

This Potentially Unwanted Application drops the following files:

  • %Application Data%\uTorrent\rss.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\uninstall.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\loading.gif
  • %User Temp%\utt1E1C.tmp.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\fr.json
  • %Application Data%\uTorrent\settings.dat.new
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\xc2\xb5Torrent.lnk
  • %Application Data%\uTorrent\apps\featuredContent.btapp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\index.hta
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\ru.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\initialize.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\br.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\common.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_icon.png
  • %User Temp%\utt1E1C.tmp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\install.js
  • %User Temp%\HYDA322.tmp.1574641249\index.hta.log
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\pt.json
  • %Application Data%\uTorrent\dht.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles\common.css
  • %Application Data%\uTorrent\dht_feed.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_utorrent.ico
  • %Application Data%\uTorrent\rss.dat.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\shell_install_offer.js
  • %Application Data%\uTorrent\settings.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_bittorrent.ico
  • %Application Data%\uTorrent\apps\plus.btapp
  • %Application Data%\uTorrent\toolbar_offer.benc
  • %Application Data%\uTorrent\dht_feed.dat.new
  • %Application Data%\uTorrent\apps\player.btapp
  • %User Temp%\HYDA322.tmp.1574641249\HTA\install.1574641249.zip
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %Application Data%\uTorrent\toolbar.benc.new
  • %Application Data%\uTorrent\toolbar.benc
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\ko.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\es5-shim.js
  • %Application Data%\uTorrent\maindoc.ico
  • %Application Data%\uTorrent\dht.dat
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\en.json
  • %Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\it.json
  • %Application Data%\uTorrent\apps\featuredContent.btapp
  • %Application Data%\uTorrent\updates\3.4.7_42330.exe
  • %Application Data%\uTorrent\apps\player.btapp.new
  • %Application Data%\uTorrent\rss.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\check_if_cscript_is_working.js
  • %Application Data%\uTorrent\apps\plus.btapp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles\installer.css
  • %Application Data%\uTorrent\uTorrent.exe
  • %Application Data%\uTorrent\dht_feed.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\bt_icon_48px.png
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp.new
  • %Application Data%\uTorrent\utorrent.lng
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\de.json
  • %Application Data%\uTorrent\toolbar.benc.old
  • %Application Data%\uTorrent\updates.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\es.json
  • %Desktop%\xc2\xb5Torrent.lnk
  • %Application Data%\uTorrent\dht.dat.new
  • %AppDataLocal%\GDIPFONTCACHEV1.DAT
  • %User Temp%\HYDA322.tmp.1574641249\HTA\uninstall.hta
  • %Start Menu%\xc2\xb5Torrent.lnk
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\shell_ping_after_close.js
  • %Application Data%\uTorrent\settings.dat.old

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://sv.{BLOCKED}b.com/sv.crt
  • http://download-lb.{BLOCKED}nt.com/{random path}
  • http://i-50.{BLOCKED}0.xyz.bench.utorrent.com/e?i=50
  • http://i-21.{BLOCKED}0.ut.bench.utorrent.com/e?i=21
  • http://update.{BLOCKED}nt.com/installstats.php?{random characters}
  • http://update.{BLOCKED}nt.com/installoffer.php?{random characters}
  • http://apps.{BLOCKED}rent.com/utorrent-onboarding/welcome-upsell.btapp
  • http://apps.{BLOCKED}rent.com/utorrent-onboarding/player.btapp
  • http://bundles.{BLOCKED}rent.com/onboarding/utorrent?{random characters}
  • http://utclient.{BLOCKED}nt.com/pro/{BLOCKED}nt/index.html
  • http://now.{BLOCKED}t.co/onboarding/utorrent
  • http://now.{BLOCKED}t.co/inclient
  • http://{BLOCKED}nt.com/download/langpacks/dl.php?{random characters}
  • http://www.{BLOCKED}nt.com/download/langpacks/dl.php?{random characters}
  • http://www.{BLOCKED}nt.com/scripts/dl.php?{random characters}
  • http://i-44.{BLOCKED}0.ut.bench.utorrent.com/e?i=44
  • http://cdn.{BLOCKED}p.bittorrent.com/control/tags/ut.json
  • http://i-29.{BLOCKED}0.ut.bench.utorrent.com/e?i=29
  • http://i-32.{BLOCKED}0.ut.bench.utorrent.com/e?i=32
  • http://i-38.{BLOCKED}0.ut.bench.utorrent.com/e?i=38
  • http://cdn.{BLOCKED}p.bittorrent.com/control/feature/tags/ut.json
  • http://i-43.{BLOCKED}0.ut.bench.utorrent.com/e?i=43
  • http://router.{BLOCKED}rent.com
  • http://router.{BLOCKED}nt.com
  • http://update.{BLOCKED}rent.com
  • {BLOCKED}221.65
  • {BLOCKED}181.175
  • {BLOCKED}186.121
  • {BLOCKED}.76.226
  • {BLOCKED}.163.186
  • {BLOCKED}01.91
  • {BLOCKED}.165.54
  • {BLOCKED}72.41
  • {BLOCKED}.128.168
  • {BLOCKED}.226.98
  • {BLOCKED}9.88
  • {BLOCKED}.14.29
  • {BLOCKED}.217.37
  • {BLOCKED}11.187
  • {BLOCKED}.126.157
  • {BLOCKED}210.204
  • {BLOCKED}.90.84
  • {BLOCKED}.115.147
  • {BLOCKED}.153.66
  • {BLOCKED}.179.191
  • {BLOCKED}.229.200
  • {BLOCKED}.165.35
  • {BLOCKED}.27.36
  • {BLOCKED}.109.30
  • {BLOCKED}.120.191
  • {BLOCKED}.221.227
  • {BLOCKED}65.255
  • {BLOCKED}24.215
  • {BLOCKED}72.93
  • {BLOCKED}.6.178
  • {BLOCKED}.61.25
  • {BLOCKED}.65.177
  • {BLOCKED}14.29
  • {BLOCKED}.186.38
  • {BLOCKED}67.230
  • {BLOCKED}.110.21
  • {BLOCKED}0.75.187
  • {BLOCKED}.169.84
  • {BLOCKED}.163.254
  • {BLOCKED}6.79.27
  • {BLOCKED}6.79.205
  • {BLOCKED}3.122.171
  • {BLOCKED}.58.92
  • {BLOCKED}17.132
  • {BLOCKED}8.118.97
  • {BLOCKED}.201.14
  • {BLOCKED}7.249.21
  • {BLOCKED}9.75.10
  • {BLOCKED}7.58.92
  • {BLOCKED}.148.222
  • {BLOCKED}0.75.245
  • {BLOCKED}6.207.143
  • {BLOCKED}.253.25
  • {BLOCKED}.78.29
  • {BLOCKED}5.56.111
  • {BLOCKED}8.161.213
  • {BLOCKED}.71.210
  • {BLOCKED}6.211.216
  • {BLOCKED}8.135.210
  • {BLOCKED}.193.170
  • {BLOCKED}.129.5
  • {BLOCKED}.196.163
  • {BLOCKED}0.129.5
  • {BLOCKED}2.205.4
  • {BLOCKED}.47.159
  • {BLOCKED}.227.46
  • {BLOCKED}.9.88
  • {BLOCKED}5.65.37
  • {BLOCKED}6.47.77
  • {BLOCKED}9.127.60
  • {BLOCKED}.169.246
  • {BLOCKED}212.46
  • {BLOCKED}1.219.231
  • {BLOCKED}.150.29

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Identify and terminate files detected as PUA.Win32.OpenCandy.PAO

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • uTorrent = "%Application Data%\uTorrent\uTorrent.exe /MINIMIZED"
  • In HKEY_CURRENT_USER\Software\Classes\FalconBetaAccount
    • remote_access_client_id = "0440846356"
  • In HKEY_CURRENT_USER\Software\BitTorrent\uTorrent
    • OfferProvider = ""
  • In HKEY_CURRENT_USER\Software\BitTorrent\uTorrent
    • OfferName = ""
  • In HKEY_CURRENT_USER\Software\BitTorrent\uTorrent
    • OfferAccepted = "0"
  • In HKEY_CURRENT_USER\Software\BitTorrent\uTorrent
    • OfferViaCAU = "0"
  • In HKEY_CURRENT_USER\Software\BitTorrent
    • computerID = "!\xe4\xb9\xb6\x91)\xa0\xdf\xf7k\xbc\xdf\xc1\xfc&O\x92\x98\x896\xbd\x1dy\xcf"
  • In HKEY_CURRENT_USER\Software\Classes\.torrent
    • (Default) = "uTorrent"
  • In HKEY_CURRENT_USER\Software\Classes\uTorrent\DefaultIcon
    • (Default) = "%Application Data%\uTorrent\maindoc.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "12"
  • In HKEY_CURRENT_USER\Software\Classes\.torrent
    • Content Type = "application/x-bittorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-bittorrent
    • Extension = ".torrent"
  • In HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-bittorrent
    • Extension = ".torrent"
  • In HKEY_CURRENT_USER\Software\Classes\uTorrent\shell\open\command
    • (Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"
  • In HKEY_CURRENT_USER\Software\Classes\uTorrent\shell
    • (Default) = "open"
  • In HKEY_CURRENT_USER\Software\Classes\uTorrent\Content Type
    • (Default) = "application/x-bittorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "13"
  • In HKEY_CURRENT_USER\Software\Classes\.torrent\OpenWithProgids
    • uTorrent = ""
  • In HKEY_CURRENT_USER\Software\Classes\Magnet
    • (Default) = "Magnet URI"
  • In HKEY_CURRENT_USER\Software\Classes\Magnet
    • URL Protocol = ""
  • In HKEY_CURRENT_USER\Software\Classes\Magnet
    • Content Type = "application/x-magnet"
  • In HKEY_CURRENT_USER\Software\Classes\Magnet\shell\open\command
    • (Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"
  • In HKEY_CURRENT_USER\Software\Classes\Magnet\shell
    • (Default) = "open"
  • In HKEY_CURRENT_USER\Software\Classes\Magnet\DefaultIcon
    • (Default) = "%Application Data%\uTorrent\maindoc.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "16"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "17"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "18"
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent
    • (Default) = "bittorrent URI"
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent
    • URL Protocol = ""
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent
    • Content Type = "application/x-bittorrent-protocol"
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent\shell\open\command
    • (Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent\shell
    • (Default) = "open"
  • In HKEY_CURRENT_USER\Software\Classes\bittorrent\DefaultIcon
    • (Default) = "%Application Data%\uTorrent\maindoc.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "19"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "20"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "21"
  • In HKEY_CURRENT_USER\Software\Classes\.btapp
    • (Default) = "uTorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "22"
  • In HKEY_CURRENT_USER\Software\Classes\.btapp
    • Content Type = "application/x-bittorrent-app"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-bittorrent-app
    • Extension = ".btapp"
  • In HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-bittorrent-app
    • Extension = ".btapp"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "23"
  • In HKEY_CURRENT_USER\Software\Classes\.btskin
    • (Default) = "uTorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "24"
  • In HKEY_CURRENT_USER\Software\Classes\.btskin
    • Content Type = "application/x-bittorrent-skin"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-bittorrent-skin
    • Extension = ".btskin"
  • In HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-bittorrent-skin
    • Extension = ".btskin"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "25"
  • In HKEY_CURRENT_USER\Software\Classes\.btinstall
    • (Default) = "uTorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "26"
  • In HKEY_CURRENT_USER\Software\Classes\.btinstall
    • Content Type = "application/x-bittorrent-appinst"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-bittorrent-appinst
    • Extension = ".btinstall"
  • In HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-bittorrent-appinst
    • Extension = ".btinstall"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "27"
  • In HKEY_CURRENT_USER\Software\Classes\.btkey
    • (Default) = "uTorrent"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "28"
  • In HKEY_CURRENT_USER\Software\Classes\.btkey
    • Content Type = "application/x-bittorrent-key"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-bittorrent-key
    • Extension = ".btkey"
  • In HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-bittorrent-key
    • Extension = ".btkey"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "29"
  • In HKEY_CURRENT_USER\Software\Classes\.btsearch\OpenWithProgids
    • uTorrent = ""
  • In HKEY_CURRENT_USER\Software\Classes\Applications\uTorrent.exe\shell
    • (Default) = "open"
  • In HKEY_CURRENT_USER\Software\Classes\Applications\uTorrent.exe\shell\open\command
    • (Default) = "%Application Data%\uTorrent\uTorrent.exe %1 /SHELLASSOC"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • DisplayIcon = "%Application Data%\uTorrent\uTorrent.exe,0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • DisplayName = "\xc2\xb5Torrent"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • DisplayVersion = "3.4.7.42330"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • UninstallString = "%Application Data%\uTorrent\uTorrent.exe /UNINSTALL"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • InstallLocation = "%Application Data%\uTorrent"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • VersionMajor = "3"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • MajorVersion = "3"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • VersionMinor = "4"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • MinorVersion = "4"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • NoModify = "1"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • NoRepair = "1"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • URLInfoAbout = "http://www.{BLOCKED}nt.com"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\uTorrent
    • Publisher = "BitTorrent Inc."
  • In HKEY_CURRENT_USER\Software\BitTorrent\uTorrent
    • Revision = "42330"

Step 5

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Application Data%\uTorrent\rss.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\uninstall.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\loading.gif
  • %User Temp%\utt1E1C.tmp.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\fr.json
  • %Application Data%\uTorrent\settings.dat.new
  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\xc2\xb5Torrent.lnk
  • %Application Data%\uTorrent\apps\featuredContent.btapp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\index.hta
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\ru.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\initialize.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\br.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\common.js
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_icon.png
  • %User Temp%\utt1E1C.tmp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\install.js
  • %User Temp%\HYDA322.tmp.1574641249\index.hta.log
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\pt.json
  • %Application Data%\uTorrent\dht.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles\common.css
  • %Application Data%\uTorrent\dht_feed.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_utorrent.ico
  • %Application Data%\uTorrent\rss.dat.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\shell_install_offer.js
  • %Application Data%\uTorrent\settings.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\main_bittorrent.ico
  • %Application Data%\uTorrent\apps\plus.btapp
  • %Application Data%\uTorrent\toolbar_offer.benc
  • %Application Data%\uTorrent\dht_feed.dat.new
  • %Application Data%\uTorrent\apps\player.btapp
  • %User Temp%\HYDA322.tmp.1574641249\HTA\install.1574641249.zip
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %Application Data%\uTorrent\toolbar.benc.new
  • %Application Data%\uTorrent\toolbar.benc
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\ko.json
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts\es5-shim.js
  • %Application Data%\uTorrent\maindoc.ico
  • %Application Data%\uTorrent\dht.dat
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\en.json
  • %Application Data%\uTorrent\updates\3.4.7_42330\utorrentie.exe
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\it.json
  • %Application Data%\uTorrent\apps\featuredContent.btapp
  • %Application Data%\uTorrent\updates\3.4.7_42330.exe
  • %Application Data%\uTorrent\apps\player.btapp.new
  • %Application Data%\uTorrent\rss.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\check_if_cscript_is_working.js
  • %Application Data%\uTorrent\apps\plus.btapp.new
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles\installer.css
  • %Application Data%\uTorrent\uTorrent.exe
  • %Application Data%\uTorrent\dht_feed.dat.old
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images\bt_icon_48px.png
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp.new
  • %Application Data%\uTorrent\utorrent.lng
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\de.json
  • %Application Data%\uTorrent\toolbar.benc.old
  • %Application Data%\uTorrent\updates.dat
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n\es.json
  • %Desktop%\xc2\xb5Torrent.lnk
  • %Application Data%\uTorrent\dht.dat.new
  • %AppDataLocal%\GDIPFONTCACHEV1.DAT
  • %User Temp%\HYDA322.tmp.1574641249\HTA\uninstall.hta
  • %Start Menu%\xc2\xb5Torrent.lnk
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts\shell_ping_after_close.js
  • %Application Data%\uTorrent\settings.dat.old

Step 6

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\Users
  • %Application Data%\uTorrent\updates\3.4.7_42330
  • %User Temp%\HYDA322.tmp.1574641249\HTA\styles
  • %User Temp%\HYDA322.tmp.1574641249\HTA\images
  • %User Temp%\HYDA322.tmp.1574641249\HTA\i18n
  • %User Profile%\AppData
  • %Application Data%\uTorrent\dlimagecache
  • %User Temp%\HYDA322.tmp.1574641249\HTA\shell_scripts
  • %User Temp%\HYDA322.tmp.1574641249\HTA
  • %User Temp%\HYDA322.tmp.1574641249
  • %Application Data%\uTorrent\share
  • %Application Data%\uTorrent
  • %Application Data%\uTorrent\updates
  • %Application Data%\uTorrent\apps
  • %User Temp%\HYDA322.tmp.1574641249\HTA\scripts

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA.Win32.OpenCandy.PAO. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 8

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Application Data%\uTorrent\apps\plus.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\player.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\welcome-upsell.btapp.30297.tmp
  • %Application Data%\uTorrent\apps\featuredContent.btapp.30297.tmp


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