PUA_VITALIA.GA

July 07, 2017

Analysis by: John Anthony Banes

ALIASES:

Riskware/InnoGenForcAlgo (Fortinet); PUA/InstallCore.Gen7 (Antivir)

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 may be manually installed by a user.

TECHNICAL DETAILS

File Size: 781,920 bytes

File Type: EXE

Memory Resident: No

Initial Samples Received Date: 19 Jun 2017

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 may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following files:

%User Temp%\{random numbers}.log
%Desktop%\Continue グーグルスケッチアップ 8.0.4811 Installation.lnk
%User Temp%\ICReinstall_{PUA filename}.exe
%User Temp%\is{random numbers}\0250AFDB_stp.CIS
%User Temp%\is{random numbers}\0250AFDB_stp.CIS.part
%User Temp%\is{random numbers}\0250AFDB_stp\asgnd.json
%User Temp%\is{random numbers}\17B19A05_stp.EXE
%User Temp%\is{random numbers}\17B19A05_stp.EXE.part
%User Temp%\isf_1354366.flat
%User Temp%\ish{random numbers}\bootstrap_50052.html
%User Temp%\ish{random numbers}\css\ie6_main.css
%User Temp%\ish{random numbers}\css\main.css
%User Temp%\ish{random numbers}\css\sdk-ui\browse.css
%User Temp%\ish{random numbers}\css\sdk-ui\button.css
%User Temp%\ish{random numbers}\css\sdk-ui\checkbox.css
%User Temp%\ish{random numbers}\css\sdk-ui\images\button-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg2.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg-corner.png
%User Temp%\ish{random numbers}\css\sdk-ui\progress-bar.css
%User Temp%\ish{random numbers}\csshover3.htc
%User Temp%\ish{random numbers}\form.bmp.Mask
%User Temp%\ish{random numbers}\images\BG.jpg
%User Temp%\ish{random numbers}\images\close.png
%User Temp%\ish{random numbers}\images\close_hover.png
%User Temp%\ish{random numbers}\images\Color_Button.png
%User Temp%\ish{random numbers}\images\Color_Button_Hover.png
%User Temp%\ish{random numbers}\images\default_tb.png
%User Temp%\ish{random numbers}\images\default_wi.png
%User Temp%\ish{random numbers}\images\Grey_Button.png
%User Temp%\ish{random numbers}\images\Grey_Button_Hover.png
%User Temp%\ish{random numbers}\images\icon_generic.png
%User Temp%\ish{random numbers}\images\loader.gif
%User Temp%\ish{random numbers}\images\Pause_Button.png
%User Temp%\ish{random numbers}\images\progress.png
%User Temp%\ish{random numbers}\images\ProgressBar.png
%User Temp%\ish{random numbers}\images\Quick_Specs.png
%User Temp%\ish{random numbers}\images\Resume_Button.png
%User Temp%\ish{random numbers}\images\sponsored.png
%User Temp%\ish{random numbers}\locale\AR.locale
%User Temp%\ish{random numbers}\locale\CS.locale
%User Temp%\ish{random numbers}\locale\DA.locale
%User Temp%\ish{random numbers}\locale\DE.locale
%User Temp%\ish{random numbers}\locale\EL.locale
%User Temp%\ish{random numbers}\locale\EN.locale
%User Temp%\ish{random numbers}\locale\ES.locale
%User Temp%\ish{random numbers}\locale\FI.locale
%User Temp%\ish{random numbers}\locale\FR.locale
%User Temp%\ish{random numbers}\locale\ID.locale
%User Temp%\ish{random numbers}\locale\IT.locale
%User Temp%\ish{random numbers}\locale\JA.locale
%User Temp%\ish{random numbers}\locale\KO.locale
%User Temp%\ish{random numbers}\locale\NL.locale
%User Temp%\ish{random numbers}\locale\NO.locale
%User Temp%\ish{random numbers}\locale\PL.locale
%User Temp%\ish{random numbers}\locale\PT.locale
%User Temp%\ish{random numbers}\locale\RU.locale
%User Temp%\ish{random numbers}\locale\SV.locale
%User Temp%\ish{random numbers}\locale\TR.locale
%User Temp%\ish{random numbers}\locale\ZH.locale

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It creates the following folders:

%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

http://cdneu.{BLOCKED}iacdn.com/ofr/Solululadul/asgnd.cis
http://cdneu.{BLOCKED}iacdn.com/ofr/Tefenece/Tefenece_3_11_0_210617.cis
http://cdneu.{BLOCKED}iacdn.com/ofr/UninstallPackageLatest.cis
http://cdnus.{BLOCKED}iacdn.com/ofr/Solululadul/asgnd.cis
http://cdnus.{BLOCKED}iacdn.com/ofr/Tefenece/Tefenece_3_11_0_210617.cis
http://cdnus.{BLOCKED}iacdn.com/ofr/UninstallPackageLatest.cis
http://img.{BLOCKED}v.com/img/Lolosobeken/Lolosobeken.jpg
http://info.{BLOCKED}v.com/?v={numbers}&c={numbers}&at={numbers}&cntr={0 or 1}
http://media.{BLOCKED}fa.com/icoinstall/programs/Google%20SketchUp.png
http://os.{BLOCKED}v.com/Vittalia/?v={numbers}&c={numbers}
http://pf.{BLOCKED}t.com/s/3/3/33470-87294-google-sketchup.exe
http://rp.{BLOCKED}v.com/?pcrc={numbers}&v={numbers}

SOLUTION

Minimum Scan Engine: 9.850

SSAPI PATTERN File: 1.853.00

SSAPI PATTERN Date: 06 Jul 2017

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

Search and delete these folders

[ Learn More ]

Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.

%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale

To delete malware/grayware/spyware folders:

For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
In the File name* input box, type:

%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale
In the Look In drop-down list, select My Computer, then press Enter.
Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2 to 4 for the remaining folders:
%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale

*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
In the Search Computer/This PC input box, type:

%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale
Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2-3 for the remaining folders:
%User Temp%\is{random numbers}
%User Temp%\is{random numbers}\0250AFDB_stp
%User Temp%\ish{random numbers}
%User Temp%\ish{random numbers}\css
%User Temp%\ish{random numbers}\css\sdk-ui
%User Temp%\ish{random numbers}\css\sdk-ui\images
%User Temp%\ish{random numbers}\images
%User Temp%\ish{random numbers}\locale

*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 4

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%\{random numbers}.log
%Desktop%\Continue グーグルスケッチアップ 8.0.4811 Installation.lnk
%User Temp%\ICReinstall_{PUA filename}.exe
%User Temp%\is{random numbers}\0250AFDB_stp.CIS
%User Temp%\is{random numbers}\0250AFDB_stp.CIS.part
%User Temp%\is{random numbers}\0250AFDB_stp\asgnd.json
%User Temp%\is{random numbers}\17B19A05_stp.EXE
%User Temp%\is{random numbers}\17B19A05_stp.EXE.part
%User Temp%\isf_1354366.flat
%User Temp%\ish{random numbers}\bootstrap_50052.html
%User Temp%\ish{random numbers}\css\ie6_main.css
%User Temp%\ish{random numbers}\css\main.css
%User Temp%\ish{random numbers}\css\sdk-ui\browse.css
%User Temp%\ish{random numbers}\css\sdk-ui\button.css
%User Temp%\ish{random numbers}\css\sdk-ui\checkbox.css
%User Temp%\ish{random numbers}\css\sdk-ui\images\button-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg2.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg-corner.png
%User Temp%\ish{random numbers}\css\sdk-ui\progress-bar.css
%User Temp%\ish{random numbers}\csshover3.htc
%User Temp%\ish{random numbers}\form.bmp.Mask
%User Temp%\ish{random numbers}\images\BG.jpg
%User Temp%\ish{random numbers}\images\close.png
%User Temp%\ish{random numbers}\images\close_hover.png
%User Temp%\ish{random numbers}\images\Color_Button.png
%User Temp%\ish{random numbers}\images\Color_Button_Hover.png
%User Temp%\ish{random numbers}\images\default_tb.png
%User Temp%\ish{random numbers}\images\default_wi.png
%User Temp%\ish{random numbers}\images\Grey_Button.png
%User Temp%\ish{random numbers}\images\Grey_Button_Hover.png
%User Temp%\ish{random numbers}\images\icon_generic.png
%User Temp%\ish{random numbers}\images\loader.gif
%User Temp%\ish{random numbers}\images\Pause_Button.png
%User Temp%\ish{random numbers}\images\progress.png
%User Temp%\ish{random numbers}\images\ProgressBar.png
%User Temp%\ish{random numbers}\images\Quick_Specs.png
%User Temp%\ish{random numbers}\images\Resume_Button.png
%User Temp%\ish{random numbers}\images\sponsored.png
%User Temp%\ish{random numbers}\locale\AR.locale
%User Temp%\ish{random numbers}\locale\CS.locale
%User Temp%\ish{random numbers}\locale\DA.locale
%User Temp%\ish{random numbers}\locale\DE.locale
%User Temp%\ish{random numbers}\locale\EL.locale
%User Temp%\ish{random numbers}\locale\EN.locale
%User Temp%\ish{random numbers}\locale\ES.locale
%User Temp%\ish{random numbers}\locale\FI.locale
%User Temp%\ish{random numbers}\locale\FR.locale
%User Temp%\ish{random numbers}\locale\ID.locale
%User Temp%\ish{random numbers}\locale\IT.locale
%User Temp%\ish{random numbers}\locale\JA.locale
%User Temp%\ish{random numbers}\locale\KO.locale
%User Temp%\ish{random numbers}\locale\NL.locale
%User Temp%\ish{random numbers}\locale\NO.locale
%User Temp%\ish{random numbers}\locale\PL.locale
%User Temp%\ish{random numbers}\locale\PT.locale
%User Temp%\ish{random numbers}\locale\RU.locale
%User Temp%\ish{random numbers}\locale\SV.locale
%User Temp%\ish{random numbers}\locale\TR.locale
%User Temp%\ish{random numbers}\locale\ZH.locale

To manually delete a malware/grayware file from an affected system:

• For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search....
In the File name* input box, type the following:
%User Temp%\{random numbers}.log
%Desktop%\Continue グーグルスケッチアップ 8.0.4811 Installation.lnk
%User Temp%\ICReinstall_{PUA filename}.exe
%User Temp%\is{random numbers}\0250AFDB_stp.CIS
%User Temp%\is{random numbers}\0250AFDB_stp.CIS.part
%User Temp%\is{random numbers}\0250AFDB_stp\asgnd.json
%User Temp%\is{random numbers}\17B19A05_stp.EXE
%User Temp%\is{random numbers}\17B19A05_stp.EXE.part
%User Temp%\isf_1354366.flat
%User Temp%\ish{random numbers}\bootstrap_50052.html
%User Temp%\ish{random numbers}\css\ie6_main.css
%User Temp%\ish{random numbers}\css\main.css
%User Temp%\ish{random numbers}\css\sdk-ui\browse.css
%User Temp%\ish{random numbers}\css\sdk-ui\button.css
%User Temp%\ish{random numbers}\css\sdk-ui\checkbox.css
%User Temp%\ish{random numbers}\css\sdk-ui\images\button-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg2.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg-corner.png
%User Temp%\ish{random numbers}\css\sdk-ui\progress-bar.css
%User Temp%\ish{random numbers}\csshover3.htc
%User Temp%\ish{random numbers}\form.bmp.Mask
%User Temp%\ish{random numbers}\images\BG.jpg
%User Temp%\ish{random numbers}\images\close.png
%User Temp%\ish{random numbers}\images\close_hover.png
%User Temp%\ish{random numbers}\images\Color_Button.png
%User Temp%\ish{random numbers}\images\Color_Button_Hover.png
%User Temp%\ish{random numbers}\images\default_tb.png
%User Temp%\ish{random numbers}\images\default_wi.png
%User Temp%\ish{random numbers}\images\Grey_Button.png
%User Temp%\ish{random numbers}\images\Grey_Button_Hover.png
%User Temp%\ish{random numbers}\images\icon_generic.png
%User Temp%\ish{random numbers}\images\loader.gif
%User Temp%\ish{random numbers}\images\Pause_Button.png
%User Temp%\ish{random numbers}\images\progress.png
%User Temp%\ish{random numbers}\images\ProgressBar.png
%User Temp%\ish{random numbers}\images\Quick_Specs.png
%User Temp%\ish{random numbers}\images\Resume_Button.png
%User Temp%\ish{random numbers}\images\sponsored.png
%User Temp%\ish{random numbers}\locale\AR.locale
%User Temp%\ish{random numbers}\locale\CS.locale
%User Temp%\ish{random numbers}\locale\DA.locale
%User Temp%\ish{random numbers}\locale\DE.locale
%User Temp%\ish{random numbers}\locale\EL.locale
%User Temp%\ish{random numbers}\locale\EN.locale
%User Temp%\ish{random numbers}\locale\ES.locale
%User Temp%\ish{random numbers}\locale\FI.locale
%User Temp%\ish{random numbers}\locale\FR.locale
%User Temp%\ish{random numbers}\locale\ID.locale
%User Temp%\ish{random numbers}\locale\IT.locale
%User Temp%\ish{random numbers}\locale\JA.locale
%User Temp%\ish{random numbers}\locale\KO.locale
%User Temp%\ish{random numbers}\locale\NL.locale
%User Temp%\ish{random numbers}\locale\NO.locale
%User Temp%\ish{random numbers}\locale\PL.locale
%User Temp%\ish{random numbers}\locale\PT.locale
%User Temp%\ish{random numbers}\locale\RU.locale
%User Temp%\ish{random numbers}\locale\SV.locale
%User Temp%\ish{random numbers}\locale\TR.locale
%User Temp%\ish{random numbers}\locale\ZH.locale
In the Look In drop-down list, select My Computer then press Enter.
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

• For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
In the Search Computer/This PC input box, type:
%User Temp%\{random numbers}.log
%Desktop%\Continue グーグルスケッチアップ 8.0.4811 Installation.lnk
%User Temp%\ICReinstall_{PUA filename}.exe
%User Temp%\is{random numbers}\0250AFDB_stp.CIS
%User Temp%\is{random numbers}\0250AFDB_stp.CIS.part
%User Temp%\is{random numbers}\0250AFDB_stp\asgnd.json
%User Temp%\is{random numbers}\17B19A05_stp.EXE
%User Temp%\is{random numbers}\17B19A05_stp.EXE.part
%User Temp%\isf_1354366.flat
%User Temp%\ish{random numbers}\bootstrap_50052.html
%User Temp%\ish{random numbers}\css\ie6_main.css
%User Temp%\ish{random numbers}\css\main.css
%User Temp%\ish{random numbers}\css\sdk-ui\browse.css
%User Temp%\ish{random numbers}\css\sdk-ui\button.css
%User Temp%\ish{random numbers}\css\sdk-ui\checkbox.css
%User Temp%\ish{random numbers}\css\sdk-ui\images\button-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg2.png
%User Temp%\ish{random numbers}\css\sdk-ui\images\progress-bg-corner.png
%User Temp%\ish{random numbers}\css\sdk-ui\progress-bar.css
%User Temp%\ish{random numbers}\csshover3.htc
%User Temp%\ish{random numbers}\form.bmp.Mask
%User Temp%\ish{random numbers}\images\BG.jpg
%User Temp%\ish{random numbers}\images\close.png
%User Temp%\ish{random numbers}\images\close_hover.png
%User Temp%\ish{random numbers}\images\Color_Button.png
%User Temp%\ish{random numbers}\images\Color_Button_Hover.png
%User Temp%\ish{random numbers}\images\default_tb.png
%User Temp%\ish{random numbers}\images\default_wi.png
%User Temp%\ish{random numbers}\images\Grey_Button.png
%User Temp%\ish{random numbers}\images\Grey_Button_Hover.png
%User Temp%\ish{random numbers}\images\icon_generic.png
%User Temp%\ish{random numbers}\images\loader.gif
%User Temp%\ish{random numbers}\images\Pause_Button.png
%User Temp%\ish{random numbers}\images\progress.png
%User Temp%\ish{random numbers}\images\ProgressBar.png
%User Temp%\ish{random numbers}\images\Quick_Specs.png
%User Temp%\ish{random numbers}\images\Resume_Button.png
%User Temp%\ish{random numbers}\images\sponsored.png
%User Temp%\ish{random numbers}\locale\AR.locale
%User Temp%\ish{random numbers}\locale\CS.locale
%User Temp%\ish{random numbers}\locale\DA.locale
%User Temp%\ish{random numbers}\locale\DE.locale
%User Temp%\ish{random numbers}\locale\EL.locale
%User Temp%\ish{random numbers}\locale\EN.locale
%User Temp%\ish{random numbers}\locale\ES.locale
%User Temp%\ish{random numbers}\locale\FI.locale
%User Temp%\ish{random numbers}\locale\FR.locale
%User Temp%\ish{random numbers}\locale\ID.locale
%User Temp%\ish{random numbers}\locale\IT.locale
%User Temp%\ish{random numbers}\locale\JA.locale
%User Temp%\ish{random numbers}\locale\KO.locale
%User Temp%\ish{random numbers}\locale\NL.locale
%User Temp%\ish{random numbers}\locale\NO.locale
%User Temp%\ish{random numbers}\locale\PL.locale
%User Temp%\ish{random numbers}\locale\PT.locale
%User Temp%\ish{random numbers}\locale\RU.locale
%User Temp%\ish{random numbers}\locale\SV.locale
%User Temp%\ish{random numbers}\locale\TR.locale
%User Temp%\ish{random numbers}\locale\ZH.locale
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 5

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

Did this description help? Tell us how we did.

PUA_VITALIA.GA

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Resources

Support

About Trend

Country Headquarters

PUA_VITALIA.GA

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Resources

Support

About Trend

Country Headquarters

The Americas

Middle East & Africa

Europe

Asia & Pacific