PUA_InstallCore.GAM
AdWare.Win32.DealPly.dnhps (Kaspersky), PUA:Win32/InstallCore (Microsoft)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potentially Unwanted Application arrives as a file that exports the functions of other malware/grayware.
TECHNICAL DETAILS
Arrival Details
This Potentially Unwanted Application arrives as a file that exports the functions of other malware/grayware.
Installation
This Potentially Unwanted Application drops the following files:
- %USER TEMP%\{Hex Number}.log
- %USER TEMP%\{Hex Number}.log
- %USER TEMP%\inH{Random Number}\bootstrap_42933.html
- %USER TEMP%\inH{Random Number}\css\_functions.scss
- %USER TEMP%\inH{Random Number}\css\_helpers.scss
- %USER TEMP%\inH{Random Number}\css\_variables.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_align.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_backgrounds.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_border-radius.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_border.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_clearfix.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_colors.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_display.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_float.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_lists.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_margin.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_padding.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_positions.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_typography.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_visibility.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_width-height.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_z-index.scss
- %USER TEMP%\inH{Random Number}\css\ie6_main.css
- %USER TEMP%\inH{Random Number}\css\ie6_main.scss
- %USER TEMP%\inH{Random Number}\css\main.css
- %USER TEMP%\inH{Random Number}\css\main.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_browse.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_button.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_checkbox.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_progress-bar.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\button-bg.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg-corner.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg2.png
- %USER TEMP%\inH{Random Number}\csshover3.htc
- %USER TEMP%\inH{Random Number}\form.bmp.Mask
- %USER TEMP%\inH{Random Number}\images\BG.png
- %USER TEMP%\inH{Random Number}\images\Close.png
- %USER TEMP%\inH{Random Number}\images\Close_Hover.png
- %USER TEMP%\inH{Random Number}\images\Color_Button.png
- %USER TEMP%\inH{Random Number}\images\Color_Button_Hover.png
- %USER TEMP%\inH{Random Number}\images\Grey_Button.png
- %USER TEMP%\inH{Random Number}\images\Grey_Button_Hover.png
- %USER TEMP%\inH{Random Number}\images\Icon_Generic.png
- %USER TEMP%\inH{Random Number}\images\Loader.gif
- %USER TEMP%\inH{Random Number}\images\Pause_Button.png
- %USER TEMP%\inH{Random Number}\images\Progress.png
- %USER TEMP%\inH{Random Number}\images\ProgressBar.png
- %USER TEMP%\inH{Random Number}\images\Quick_Specs.png
- %USER TEMP%\inH{Random Number}\images\Resume_Button.png
- %USER TEMP%\inH{Random Number}\images\sponsored.png
- %USER TEMP%\inH{Random Number}\libs\localAssests\icc\icc_v5_8.cis
- %USER TEMP%\inH{Random Number}\libs\localAssests\icut\icut_v2_2.cis
- %USER TEMP%\inH{Random Number}\locale\CS.locale
- %USER TEMP%\inH{Random Number}\locale\DA.locale
- %USER TEMP%\inH{Random Number}\locale\DE.locale
- %USER TEMP%\inH{Random Number}\locale\EL.locale
- %USER TEMP%\inH{Random Number}\locale\EN.locale
- %USER TEMP%\inH{Random Number}\locale\ES.locale
- %USER TEMP%\inH{Random Number}\locale\FI.locale
- %USER TEMP%\inH{Random Number}\locale\FR.locale
- %USER TEMP%\inH{Random Number}\locale\ID.locale
- %USER TEMP%\inH{Random Number}\locale\IT.locale
- %USER TEMP%\inH{Random Number}\locale\JA.locale
- %USER TEMP%\inH{Random Number}\locale\KO.locale
- %USER TEMP%\inH{Random Number}\locale\NL.locale
- %USER TEMP%\inH{Random Number}\locale\NO.locale
- %USER TEMP%\inH{Random Number}\locale\PL.locale
- %USER TEMP%\inH{Random Number}\locale\PT.locale
- %USER TEMP%\inH{Random Number}\locale\RU.locale
- %USER TEMP%\inH{Random Number}\locale\SV.locale
- %USER TEMP%\inH{Random Number}\locale\TR.locale
- %USER TEMP%\inH{Random Number}\locale\ZH.locale
- %USER TEMP%\inH{Random Number}\replacer\pref.json
Other System Modifications
This Potentially Unwanted Application adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows Script\Settings
JITDebug = "0"
Other Details
This Potentially Unwanted Application connects to the following possibly malicious URL:
- http://www2.{BLOCKED}noswamili.com/
SOLUTION
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
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows Script\Settings
- JITDebug = "0"
- JITDebug = "0"
Step 4
Search and delete this file
- %USER TEMP%\{Hex Number}.log
- %USER TEMP%\{Hex Number}.log
- %USER TEMP%\inH{Random Number}\bootstrap_42933.html
- %USER TEMP%\inH{Random Number}\css\_functions.scss
- %USER TEMP%\inH{Random Number}\css\_helpers.scss
- %USER TEMP%\inH{Random Number}\css\_variables.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_align.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_backgrounds.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_border-radius.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_border.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_clearfix.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_colors.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_display.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_float.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_lists.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_margin.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_padding.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_positions.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_typography.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_visibility.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_width-height.scss
- %USER TEMP%\inH{Random Number}\css\helpers\_z-index.scss
- %USER TEMP%\inH{Random Number}\css\ie6_main.css
- %USER TEMP%\inH{Random Number}\css\ie6_main.scss
- %USER TEMP%\inH{Random Number}\css\main.css
- %USER TEMP%\inH{Random Number}\css\main.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_browse.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_button.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_checkbox.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\_progress-bar.scss
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\button-bg.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg-corner.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg.png
- %USER TEMP%\inH{Random Number}\css\sdk-ui\images\progress-bg2.png
- %USER TEMP%\inH{Random Number}\csshover3.htc
- %USER TEMP%\inH{Random Number}\form.bmp.Mask
- %USER TEMP%\inH{Random Number}\images\BG.png
- %USER TEMP%\inH{Random Number}\images\Close.png
- %USER TEMP%\inH{Random Number}\images\Close_Hover.png
- %USER TEMP%\inH{Random Number}\images\Color_Button.png
- %USER TEMP%\inH{Random Number}\images\Color_Button_Hover.png
- %USER TEMP%\inH{Random Number}\images\Grey_Button.png
- %USER TEMP%\inH{Random Number}\images\Grey_Button_Hover.png
- %USER TEMP%\inH{Random Number}\images\Icon_Generic.png
- %USER TEMP%\inH{Random Number}\images\Loader.gif
- %USER TEMP%\inH{Random Number}\images\Pause_Button.png
- %USER TEMP%\inH{Random Number}\images\Progress.png
- %USER TEMP%\inH{Random Number}\images\ProgressBar.png
- %USER TEMP%\inH{Random Number}\images\Quick_Specs.png
- %USER TEMP%\inH{Random Number}\images\Resume_Button.png
- %USER TEMP%\inH{Random Number}\images\sponsored.png
- %USER TEMP%\inH{Random Number}\libs\localAssests\icc\icc_v5_8.cis
- %USER TEMP%\inH{Random Number}\libs\localAssests\icut\icut_v2_2.cis
- %USER TEMP%\inH{Random Number}\locale\CS.locale
- %USER TEMP%\inH{Random Number}\locale\DA.locale
- %USER TEMP%\inH{Random Number}\locale\DE.locale
- %USER TEMP%\inH{Random Number}\locale\EL.locale
- %USER TEMP%\inH{Random Number}\locale\EN.locale
- %USER TEMP%\inH{Random Number}\locale\ES.locale
- %USER TEMP%\inH{Random Number}\locale\FI.locale
- %USER TEMP%\inH{Random Number}\locale\FR.locale
- %USER TEMP%\inH{Random Number}\locale\ID.locale
- %USER TEMP%\inH{Random Number}\locale\IT.locale
- %USER TEMP%\inH{Random Number}\locale\JA.locale
- %USER TEMP%\inH{Random Number}\locale\KO.locale
- %USER TEMP%\inH{Random Number}\locale\NL.locale
- %USER TEMP%\inH{Random Number}\locale\NO.locale
- %USER TEMP%\inH{Random Number}\locale\PL.locale
- %USER TEMP%\inH{Random Number}\locale\PT.locale
- %USER TEMP%\inH{Random Number}\locale\RU.locale
- %USER TEMP%\inH{Random Number}\locale\SV.locale
- %USER TEMP%\inH{Random Number}\locale\TR.locale
- %USER TEMP%\inH{Random Number}\locale\ZH.locale
- %USER TEMP%\inH{Random Number}\replacer\pref.json
Step 5
Scan your computer with your Trend Micro product to delete files detected as PUA_InstallCore.GAM. 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:
Did this description help? Tell us how we did.