arrow_back
search
close

PUA_TOMOS.COMPONENT

July 14, 2016
 Analysis by: Pearl Charlaine Espejo
 ALIASES:

Riskware/Somoto (Fortinet); Win32.Application.Somoto.K (GData); Somoto BetterInstaller (PUA) (Sophos)

 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. It arrives as a component bundled with malware/grayware packages.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

222,208 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

28 Jun 2016

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.

It arrives as a component bundled with malware/grayware packages.

Other Details

This potentially unwanted application connects to the following possibly malicious URL:

  • http://installer.{BLOCKED}ldog.com/-Empty-//af616b785b717644ba7483b441f14e58?v=2.0&muid={id}

It requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

1.748.12

FIRST VSAPI PATTERN DATE:

08 Jul 2016

VSAPI OPR PATTERN File:

1.749.00

VSAPI OPR PATTERN Date:

09 Jul 2016

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

Identify and terminate files detected as PUA_TOMOS.COMPONENT

[ 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

Scan your computer with your Trend Micro product to delete files detected as PUA_TOMOS.COMPONENT. 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.


Did this description help? Tell us how we did.