Analysis by: Rhena Inocencio
ALIASES:

a variant of Win32/SProtector.D (ESET), Variant.Adware.BProtector.5 (BitDefender)

 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 as a component bundled with malware/grayware packages.

It requires its main component to successfully perform its intended routine. This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size: Varies
File Type: DLL
Initial Samples Received Date: 04 May 2015

Arrival Details

This potentially unwanted application arrives as a component bundled with malware/grayware packages.

Other System Modifications

This potentially unwanted application adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
AppInit_DLLs = "{PUA path and filename}"

HKEY_LOCAL_MACHINE\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}
{random} = "{PUA path and filename}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
LoadAppInit_DLLs = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_{random}
iiid = "1"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_{random}
iiid = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_{random}
version = "22021954"

HKEY_CURRENT_USER\Software\AppDataLow\
{1146AC44-2F03-4431-B4FD-889BC837521F}\_{random}
uuid = "{id}"

HKEY_LOCAL_MACHINE\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\
_{random}
uuid = "{id}"

Other Details

This potentially unwanted application requires its main component to successfully perform its intended routine.

This is the Trend Micro detection for:

  • components of PUA_PCUtilitiesPro

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 1.621.00
SSAPI PATTERN Date: 07 May 2015

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 PUA_PCUTILITIESPRO.COMPONENT by using its own Uninstall option

[ Learn More ]
To uninstall the grayware process

Step 4

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


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