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Adware.Win32.Csdimonetize.AM

April 25, 2019
 ALIASES:

HEUR:AdWare.MSIL.Csdi.gen(Kaspersky); Trojan:Win32/Bitrep.A(Microsoft)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 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. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

1,383,265 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

23 Apr 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.

It may be manually installed by a user.

Installation

This Adware drops the following files:

  • %User Temp%\is-{random}.tmp\{malware name}.tmp
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\Zabour.exe.config
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\Zabour.exe
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\SleptAway.exe
  • %User Temp%\is-{random}.tmp\SleptAway.exe
  • %User Temp%\is-IBAMV.tmp\SleptAway.tmp
  • %Program Files%\Spirit\{random number}.exe
  • %Program Files%\Spirit\{random number}.exe.config
  • %User Temp%\is-{random}.tmp\idp.dll
  • %User Temp%\is-{random}.tmp\itdownload.dll
  • %User Temp%\is-{random}.tmp\psvince.dll

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

Other Details

This Adware connects to the following possibly malicious URL:

  • https://pc.{BLOCKED}rketingservices.com/api/v1/buying/redirect/0?sub_id_1=&sub_id_2=&external_id=0&uid=000C29935DCF
  • https://{BLOCKED}dcaster.com/redirect/57a764d042bf8/

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.171.00

SSAPI PATTERN Date:

02 May 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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • %User Temp%\is-{random}.tmp\{malware name}.tmp
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\Zabour.exe.config
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\Zabour.exe
  • %User Temp%\is-{random}.tmp\is-{random}.tmp
  • %User Temp%\is-{random}.tmp\SleptAway.exe
  • %User Temp%\is-{random}.tmp\SleptAway.exe
  • %User Temp%\is-IBAMV.tmp\SleptAway.tmp
  • %Program Files%\Spirit\{random number}.exe
  • %Program Files%\Spirit\{random number}.exe.config
  • %User Temp%\is-{random}.tmp\idp.dll
  • %User Temp%\is-{random}.tmp\itdownload.dll
  • %User Temp%\is-{random}.tmp\psvince.dll

Step 4

Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.Csdimonetize.AM. 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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