Adware.Win32.CROMILEAVES.AA

 Analysis by: Arjun Bryan Baltazar

 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:

3,221,136 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

02 Nov 2017

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:

  • %AppDataLocal%\AdvinstAnalytics\57bec79515c1ec525f8858bf\2.7.0\{154E32A0-2C71-4C6D-900B-4F0C5A13B3EE}.session
  • %AppDataLocal%\AdvinstAnalytics\57bec79515c1ec525f8858bf\2.7.0\tracking.ini
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\aicustact.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\aischeduler.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\aischeduler2.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\applogoicon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\backbutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\background
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\browsebutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\checkbox
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\checkbox_for_ctrls
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\checkbox_for_list_ctrls
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\cmdlinkarrow
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\completi
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\custicon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\exclamic
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_left.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_left_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_mid.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_mid_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_right.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_bottom_right_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_caption.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_caption_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_left.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_left_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_right.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_right_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_left.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_left_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_mid.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_mid_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_right.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\frame_top_right_inactive.bmp
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\info
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\InstallerAnalytics.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\installlogoicon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\insticon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\lzmaextractor.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\metrobuttonimage
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\metroinstallbutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\metrorunapplicationbutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\modify.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\New
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\nextcancelbuttons
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\optionslogoicon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\PrepareDlgProgress.gif
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\Prereq.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\print.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\printico
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\ProgressImage.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\remove.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\removico
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\repair.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\repairic
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\runapplicationbutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\ShortcutFlags.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\SoftwareDetector.dll
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_close_down.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_close_hot.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_close_inactive.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_close_normal.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_min_down.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_min_hot.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_min_inactive.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\sys_min_normal.png
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\Up
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\viewreadmebutton
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\waitlogoicon
  • %AppDataLocal%\Temp\AI_EXTUI_BIN_3276\whitebackground
  • %AppDataLocal%\Temp\Ins9DF.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %AppDataLocal%\Temp\MSI{Random Char}.tmp
  • %Application Data%\Microleaves\Online Application 2.7.0\install\CFCBAA1\Basic Installer with memory detection.msi
  • %Application Data%\Microleaves\Online Application 2.7.0\install\CFCBAA1\Online Application Updater.exe
  • %Application Data%\Microleaves\Online Application 2.7.0\install\CFCBAA1\Version 2.6.0\Online-Guardian.exe
  • %Application Data%\Microleaves\Online Application 2.7.0\install\decoder.dll
  • %Application Data%\Microleaves\Online Application 2.7.0\install\holder0.aiph

(Note: %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.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)

It adds the following processes:

  • %Application Data%\Microleaves\Online Application 2.7.0\install\CFCBAA1\Version 2.6.0\Online-Guardian.exe

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.989.00

SSAPI PATTERN Date:

25 Oct 2018

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 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

Remove Adware.Win32.CROMILEAVES.AA by using its own Uninstall option

[ Learn More ]
To uninstall the grayware processDATA_GENERIC
  • Click on Remove or Uninstall depending on the currently running Windows version.
  • Follow the instructions on the dialog box that appears.
  • Close the Programs window, and the Control Panel window.
  • Step 4

    Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.CROMILEAVES.AA. 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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