Analysis by: Christopher Daniel So
ALIASES:

ADWARE/InstallBrain.Gen (AntiVir), Win32/InstallBrain.CN (ESET)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

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: 1,296,112 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 25 Aug 2014
Payload: Downloads files

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.

NOTES:

It connects to the following sites to download and execute files:

  • http://cdn.{BLOCKED}i.com/files/components/CloudBackup.exe
  • http://cdn.{BLOCKED}i.com/files/components/PortalMoreSetup.exe
  • http://cdn.{BLOCKED}i.com/files/components/SearchShock.exe
  • http://cdn.{BLOCKED}i.com/files/components/SpeedanAlysisSetupW.exe
  • http://cdn.{BLOCKED}i.com/files/products/PCPerformerSetup-4.exe
  • http://cdn.{BLOCKED}i.com/files/products/UnknownFile.exe
  • http://cdn.{BLOCKED}i.com/files/products/VideoPerformerSetup.exe
  • http://cdn.{BLOCKED}ckup.com/MyPCBackup_Setup.exe
  • http://track.{BLOCKED}ckup.com/cf51f5c4/D0wnloads-3817/MyPCBackup_Setup.exe

It connects to the following URLs to inform about its installation:

  • http://api.{BLOCKED}o.com/events
  • http://{BLOCKED}s.softango.com/
  • http://www.{BLOCKED}ersoft.com/speedtest/index.php

  SOLUTION

Minimum Scan Engine: 9.700

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

Scan your computer with your Trend Micro product to delete files detected as ADW_BRANTALL.GA. 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 this Knowledge Base page for more information.


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