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PUA.Win32.KeyGen.ITZ

August 23, 2019
 Analysis by: Arvin Roi Macaraeg
 ALIASES:

RDN/Generic PUP.x. (McAfee); Trojan.Gen.2 (Symantec); Downloader.Win32.Snojan.dgjz (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 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:

476,633 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

23 Aug 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.

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
DisplayName = "IDM Crack 6.25 build 25"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
DisplayVersion = "5.40"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
VersionMajor = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
VersionMinor = "40"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
Publisher = "Crackingpatching.com Team"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
DisplayIcon = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
UninstallString = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
URLInfoAbout = "http://www.{BLOCKED}ngpatching.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
HelpLink = "http://www.{BLOCKED}ngpatching.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
InstallLocation = "%Program Files%\WinRAR"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
InstallSource = "%User Temp%"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
InstallDate = "20190823"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
Language = "1033"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
EstimatedSize = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.25 build 25
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer
GlobalAssocChangedCounter = "57"

Other Details

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

  • http://www.{BLOCKED}g.com/favicon.ico
  • http://{BLOCKED}ngpatching.com/{random path}
  • http://crl3.{BLOCKED}rt.com/CloudFlareIncECCCA2.crl
  • http://crl4.{BLOCKED}rt.com/CloudFlareIncECCCA2.crl
  • http://crl3.{BLOCKED}rt.com/sha2-ha-server-g6.crl
  • http://crl.{BLOCKED}y.com/gdroot-g2.crl
  • http://crl4.{BLOCKED}rt.com/sha2-ha-server-g6.crl
  • http://crl.{BLOCKED}y.com/gdroot.crl
  • http://crl.{BLOCKED}ca.com/COMODORSACertificationAuthority.crl
  • http://fonts.{BLOCKED}c.com
  • http://www.{BLOCKED}-analytics.com
  • http://i1.{BLOCKED}p.com
  • http://i2.{BLOCKED}p.com
  • http://i0.{BLOCKED}p.com
  • http://s0.{BLOCKED}p.com
  • http://apis.{BLOCKED}e.com
  • http://connect.{BLOCKED}ok.net
  • http://platform.{BLOCKED}r.com
  • http://stats.{BLOCKED}p.com
  • http://jetpack.{BLOCKED}ess.com
  • http://pixel.{BLOCKED}p.com
  • http://crl.{BLOCKED}ust.com

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.209.00

SSAPI PATTERN Date:

29 Aug 2019

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

Identify and terminate files detected as PUA.Win32.KeyGen.ITZ

[ 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 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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • IDM Crack 6.25 build 25

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • DisplayName = "IDM Crack 6.25 build 25"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • DisplayVersion = "5.40"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • VersionMajor = "5"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • VersionMinor = "40"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • Publisher = "Crackingpatching.com Team"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • DisplayIcon = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • UninstallString = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • URLInfoAbout = "http://www.{BLOCKED}ngpatching.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • HelpLink = "http://www.{BLOCKED}ngpatching.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • InstallLocation = "%Program Files%\WinRAR"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • InstallSource = "%User Temp%"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • InstallDate = "20190823"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • Language = "1033"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • EstimatedSize = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.25 build 25
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
    • GlobalAssocChangedCounter = "57"

Step 5

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.KeyGen.ITZ. 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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