PUA.Win32.37Games.A

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.

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 folders:

• %Application Data%\37GAMES

(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 drops the following files:

• %Application Data%\37GAMES\beauty\gameBeauty.exe
• %Application Data%\37GAMES\beauty\uninst.exe
• %Application Data%\37GAMES\beauty\lander.ini
• %Desktop%\ﾈﾕﾌ讀・・ﾚﾊﾒ.lnk
• %Application Data%\MICROSOFT\Windows\Start Menu\Programs\37GAMES\ﾈﾕﾌ讀・・ﾚﾊﾒ\ﾈﾕﾌ讀・・ﾚﾊﾒ.lnk
• %Application Data%\MICROSOFT\Windows\Start Menu\Programs\37GAMES\ﾈﾕﾌ讀・・ﾚﾊﾒ\uninstallﾈﾕﾌ讀・・ﾚﾊﾒ.lnk
• %User Temp%\ServerTimeStats.tmp
• %User Temp%\ActiveStat.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).. %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).. %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).)

It adds the following processes:

• "%Application Data%\37GAMES\beauty\gameBeauty.exe" /setupsucc
• "%Program Files%\Internet Explorer\iexplore.exe" -nohome

(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).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Potentially Unwanted Application adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
DisplayName = Name

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
UninstallString = %Application Data%\37GAMES\beauty\uninst.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
DisplayIcon = %Application Data%\37GAMES\beauty\gameBeauty.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
URLInfoAbout = https://m.{BLOCKED}9.com/home/dts/

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
Publisher = ﾈﾕﾌ讀・・ﾚﾊﾒ

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ
DisplayVersion = 2.0.0.0

Other Details

This Potentially Unwanted Application adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ﾈﾕﾌ讀・・ﾚﾊﾒ

It connects to the following possibly malicious URL:

• http://jpeventsapi.{BLOCKED}s.com/
• http://g.wan.{BLOCKED}5.com/
• https://g.wan.{BLOCKED}5.com/
• https://abres.{BLOCKED}b.com/
• https://higawari.{BLOCKED}s.com/
• https://connect.{BLOCKED}ok.net/ja_JP/sdk.js
• https://connect.{BLOCKED}ok.net/ja_JP/sdk.js?hash={random}