PUA.Win32.MyWebSearch.HZ
Win32:UnwantedSig [PUP](AVAST); Win32/Toolbar.MyWebSearch.BA potentially unwanted application(NOD32);
Windows
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.
It modifies the user's Internet Explorer home page into a certain website. This action allows the malware to point to a website which may contain malware, putting the affected computer at greater risk of malware infection.
TECHNICAL DETAILS
391,392 bytes
EXE
No
06 Mar 2019
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 drops the following files:
- %AppDataLocal%\MapsGalaxyTooltab\TooltabExtension.dll
- %User Temp%\nsp{random}.tmp\reporting
- %User Temp%\nsp{random}.tmp\cancel_japanese_{random nubers}.bmp
- %User Temp%\nsp{random}.tmp\installerParams
- %User Temp%\nsp{random}.tmp\Install_JPN_{random nubers}.bmp
- %User Temp%\nsp{random}.tmp\MG_jpn_msi_bg-copy_{random nubers}.bmp
- %User Temp%\nsp{random}.tmp\nsDialogs.dll
- %User Temp%\nsp{random}.tmp\reporting
- %User Temp%\nsp{random}.tmp\System.dll
(Note: %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).. %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).)
Other System Modifications
This Potentially Unwanted Application adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\MapsGalaxy
Start Page = "http://{BLOCKED}p.{BLOCKED}y.com/mapsgalaxy/lmjajp/index.html?n=78584B19&p2=^UX^mni000^LMJAJP&ptb=3AC183E7-0B25-4864-9A49-565D8D71FEA3&coid=b0a3b24d849846deb095975eb0fbbfdc"
HKEY_CURRENT_USER\Software\MapsGalaxy
UnInstallSurveyUrl = "https://@{downloadDomain}.{BLOCKED}l.{BLOCKED}y.com/uninstall.jhtml?c=3AC183E7-0B25-4864-9A49-565D8D71FEA3&ptb=^UX^mni000^LMJAJP"
It modifies the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Start Page = "http://{BLOCKED}p.{BLOCKED}y.com/mapsgalaxy/lmjajp/index.html?n=78584B19&p2=^UX^mni000^LMJAJP&ptb=3AC183E7-0B25-4864-9A49-565D8D71FEA3&coid=b0a3b24d849846deb095975eb0fbbfdc"
Web Browser Home Page and Search Page Modification
This Potentially Unwanted Application modifies the user's Internet Explorer home page to the following websites:
- http://{BLOCKED}p.{BLOCKED}y.com/mapsgalaxy/lmjajp/index.html?n=78584B19&p2=^UX^mni000^LMJAJP&ptb=3AC183E7-0B25-4864-9A49-565D8D71FEA3&coid=b0a3b24d849846deb095975eb0fbbfdc
Other Details
This Potentially Unwanted Application connects to the following possibly malicious URL:
- https://{BLOCKED}x.{BLOCKED}ark.com/anx.gif?anxa=CAPDownloadProcess&anxe=InstallerInvoked&platform=vicinio&anxv=2.7.1.3000&anxd=2019-03-04&coid=b0a3b24d849846deb095975eb0fbbfdc&refPartner=^UX^mni000^LMJAJP&refSub=&anxl=en-US&anxr=-2106142550&refCobrand=UX&refCampaign=mni000&refTrack=LMJAJP&refCountry=
- http://{BLOCKED}p.{BLOCKED}y.com/mapsgalaxy/lmjajp/assets/1557860707117/ie8.js