Adware.Win32.Installcore.TIQVCE
Riskware/InstallCore.AAAA (FORTINET)
Windows
Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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.
It does not have any propagation routine.
It does not have any backdoor routine.
It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
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.
Installation
This Adware adds the following folders:
- %User Temp%\is{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: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It drops the following files:
- %User Temp%\{Random Numbers}.log
- %User Temp%\ish{Random Numbers}\blank.gif
- %User Temp%\ish{Random Numbers}\css\buttons.css
- %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\progress-bar.css
- %User Temp%\ish{Random Numbers}\images\back-button.png
- %User Temp%\ish{Random Numbers}\images\Bg.jpg
- %User Temp%\ish{Random Numbers}\images\close_button.png
- %User Temp%\ish{Random Numbers}\images\finish-button.png
- %User Temp%\ish{Random Numbers}\images\finish_button.jpg
- %User Temp%\ish{Random Numbers}\images\icon.png
- %User Temp%\ish{Random Numbers}\images\loader.gif
- %User Temp%\ish{Random Numbers}\images\next-button-over.png
- %User Temp%\ish{Random Numbers}\images\next-button.png
- %User Temp%\ish{Random Numbers}\images\progress-bg.png
- %User Temp%\ish{Random Numbers}\images\skip-button.png
- %User Temp%\ish{Random Numbers}\images\Software.png
- %User Temp%\ish{Random Numbers}\license.txt
- %User Temp%\ish{Random Numbers}\locale\EN.locale
- %User Temp%\ish{Random Numbers}\bootstrap_37384.html
- %Program Files%is{Random Numbers}.log
- %User Temp%\{Random Numbers}.log
- %User Temp%\ICReinstall_{Malware Filename}.exe
- %User Temp%\{Random Numbers}.log
- %User Temp%\is1373634743\{Random Numbers}.cfg
- %User Temp%\is1373634743\{Random Numbers}.cfg
- %User Temp%\is1373634743\{Random Numbers}_Setup.CIS
- %Desktop%\Continue FoxTab PDF Creator Installation.lnk
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Propagation
This Adware does not have any propagation routine.
Backdoor Routine
This Adware does not have any backdoor routine.
Rootkit Capabilities
This Adware does not have rootkit capabilities.
Download Routine
This Adware connects to the following URL(s) to download its component file(s):
- http://rp.{BLOCKED}escdn.com/vscript/utils/ip2cc.psc
- http://cdneu.{BLOCKED}escdn.com/Prod/PDFCreatorV4.cis
- http://cdneu.{BLOCKED}escdn.com/ofr/BabylonToolbarV7.cis
Other Details
This Adware adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Windows Script
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
DirectDraw\MostRecentApplication
It connects to the following website to send and receive information:
- http://os.{BLOCKED}escdn.com/fx/v1.0.1/?v=2.0&c={Random}
- http://rp.{BLOCKED}escdn.com/?pcrc={Random}
It does the following:
- It displays the following during installation:
However, as of this writing, the said sites are inaccessible.
It does not exploit any vulnerability.
SOLUTION
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- Troj.Win32.TRX.XXPE50FFF062
Step 2
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 3
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 4
Delete this registry key
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
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication
Step 5
Search and delete this file
- %User Temp%\{Random Numbers}.log
- %User Temp%\ish{Random Numbers}\blank.gif
- %User Temp%\ish{Random Numbers}\css\buttons.css
- %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\progress-bar.css
- %User Temp%\ish{Random Numbers}\images\back-button.png
- %User Temp%\ish{Random Numbers}\images\Bg.jpg
- %User Temp%\ish{Random Numbers}\images\close_button.png
- %User Temp%\ish{Random Numbers}\images\finish-button.png
- %User Temp%\ish{Random Numbers}\images\finish_button.jpg
- %User Temp%\ish{Random Numbers}\images\icon.png
- %User Temp%\ish{Random Numbers}\images\loader.gif
- %User Temp%\ish{Random Numbers}\images\next-button-over.png
- %User Temp%\ish{Random Numbers}\images\next-button.png
- %User Temp%\ish{Random Numbers}\images\progress-bg.png
- %User Temp%\ish{Random Numbers}\images\skip-button.png
- %User Temp%\ish{Random Numbers}\images\Software.png
- %User Temp%\ish{Random Numbers}\license.txt
- %User Temp%\ish{Random Numbers}\locale\EN.locale
- %User Temp%\ish{Random Numbers}\bootstrap_37384.html
- %Program Files%is{Random Numbers}.log
- %User Temp%\{Random Numbers}.log
- %User Temp%\ICReinstall_{Malware Filename}.exe
- %User Temp%\{Random Numbers}.log
- %User Temp%\is1373634743\{Random Numbers}.cfg
- %User Temp%\is1373634743\{Random Numbers}.cfg
- %User Temp%\is1373634743\{Random Numbers}_Setup.CIS
- %Desktop%\Continue FoxTab PDF Creator Installation.lnk
Step 6
Search and delete this folder
- %User Temp%\is{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
Step 7
Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.Installcore.TIQVCE. 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:
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