TROJ_KRASPD.A
Win32/Toolbar.MyWebSearch.BA potentially unwanted (ESET-NOD32); Generic PUA DN (PUA) (Sophos AV)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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
Arrival Details
This Trojan 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 Trojan drops the following component file(s):
- %User Temp%\nswFD81.tmp\nsDialogs.dll
- %User Temp%\nswFD81.tmp\System.dll
- %User Temp%\nswFD81.tmp\TransitSimplified_msi_bg-copy_1501785279667.bmp
- %User Temp%\nswFD81.tmp\reporting
- %User Temp%\nswFD81.tmp\cancel_blue_1473358017200.bmp
- %User Temp%\nswFD81.tmp\Install_ENG_1435680405923.bmp
- %User Temp%\nswFD81.tmp\reporting
- %User Temp%\nswFD81.tmp\installerParams
- %User Temp%\nswFD81.tmp\reporting
- %User Temp%\nswFD81.tmp\TransitSimplified_msi_bg-copy_1501785292781.bmp
- %User Temp%\nswFD81.tmp\reporting
- %AppDataLocal%\TransitSimplifiedTooltab\TooltabExtension.dll
- %User Temp%\nswFD81.tmp\reporting
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista, 7, and 8.)
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CURRENT_URSER\Software\TransitSimplified
Start Page = "http://hp.{BLOCKED}y.com/transitsimplified/ttab02/index.html?n=78497636&p2=^BYP^mni000^TTAB02&ptb=2DA31C30-F19F-4223-A7D9-0AE5A043F453&coid=6357f541372247b29de80313cf5c2932"
HKEY_CURRENT_URSER\Software\TransitSimplified
UnInstallSurveyUrl = "http://@{downloadDomain}.dl.{BLOCKED}y.com/uninstall.jhtml?surveyUrl=http%3A%2F%2Fwww.research.net%2Fr%2FHYSCVNM%3Fc%3D2DA31C30-F19F-4223-A7D9-0AE5A043F453%26ptb%3D^BYP^mni000^TTAB02"
Other Details
This Trojan connects to the following possibly malicious URL:
- http://anx.{BLOCKED}ark.com/anx.gif?anxa=CAPDownloadProcess&anxe=Error&errorCode=-16&errorType=nsisError&errorDetails=&platform=vicinio&anxv=2.7.1.3000&anxd=2018-05-18&coid=&refPartner=^BYP^mni000^TTAB02&refSub=&anxl=en-US&anxr=-2006788705&refCobrand=BYP&refCampaign=mni000&refTrack=TTAB02&refCountry=
- http://anx.{BLOCKED}ark.com/anx.gif?anxa=CAPDownloadProcess&anxe=Error&errorCode=-8&errorType=nsisError&errorDetails=3d49db2ecb4855112017327f46b76b184cb4a3d6%2Eexe&platform=vicinio&anxv=2.7.1.3000&anxd=2018-05-18&coid=6357f541372247b29de80313cf5c2932&refPartner=^BYP^mni000^TTAB02&refSub=&anxl=en-US&anxr=2104981669&refCobrand=BYP&refCampaign=mni000&refTrack=TTAB02&refCountry=
- http://dp.tb.{BLOCKED}k.com:443
- http://apps.{BLOCKED}ust.com/roots/dstrootcax3.p7c
SOLUTION
Scan your computer with your Trend Micro product to delete files detected as TROJ_KRASPD.A. 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 the following Trend Micro Support pages for more information:
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