ALIASES:

Adware.DealPly (Symantec); HEUR:AdWare.Win32.DealPly.gen (Kaspersky); Adware.DealPly (fs) (Sunbelt)

 PLATFORM:

Windows

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Adware 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: 78,464 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 29 Aug 2019

Arrival Details

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

Other System Modifications

This Adware adds the following registry keys:

HKEY_CLASSES_ROOT\CLSID\{Hex Values}

HKEY_CLASSES_ROOT\CLSID\{Hex Values}\
InProcServer32

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{Hex Values}
(Default) = "DealPly"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{Hex Values}\InProcServer32
(Default) = "%User Temp%\{Malware File Name}.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{Hex Values}\InProcServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{Hex Values}
NoExplorer = "1"

  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

Close all opened browser windows

Step 3

Delete this registry key

[ 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_CLASSES_ROOT\CLSID\{Hex Values}
    • HKEY_CLASSES_ROOT\CLSID\{Hex Values}\InProcServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{Hex Values}
    • (Default) = "DealPly"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{Hex Values}\InProcServer32
    • (Default) = "%User Temp%\{Malware File Name}.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{Hex Values}\InProcServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{Hex Values}
    • NoExplorer = "1"

Step 4

Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.DealPly.RMXU. 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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