PUA.Win32.Vittalia.AM
PUA/Vittalia.Gen4 (ANTIVIR)
Windows
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 does not have any propagation routine.
It does not have any backdoor routine.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
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.
Installation
This Potentially Unwanted Application drops a copy of itself in the following folders using different file names:
- %User Temp%\L6V0Loading.EXE
(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%\L6V0InstallerLoading.ini
- %User Temp%\L6V0background.bmp.zip
- %User Temp%\L6V0header.bmp.zip
- %User Temp%\L6V0license.rtf.zip
- {Malware Path}\fondo.bmp
- {Malware Path}\header.bmp
- {Malware Path}\loader64.gif
- {Malware Path}\license.rtf
(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).)
Propagation
This Potentially Unwanted Application does not have any propagation routine.
Backdoor Routine
This Potentially Unwanted Application does not have any backdoor routine.
Rootkit Capabilities
This Potentially Unwanted Application does not have rootkit capabilities.
Download Routine
This Potentially Unwanted Application connects to the following URL(s) to download its component file(s):
- http://download.{BLOCKED}framework.org/installers/cpp_installers/get/main_out.php?p={Data}
It saves the files it downloads using the following names:
- %User Temp%\L6V0INSTALLER.EXE
(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).)
Other Details
This Potentially Unwanted Application does the following:
- It does the following:
- It displays the following upon execution:
However, as of this writing, the said sites are inaccessible.
It does not exploit any vulnerability.
SOLUTION
Step 1
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 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 files
- %User Temp%\L6V0InstallerLoading.ini
- %User Temp%\L6V0background.bmp.zip
- %User Temp%\L6V0header.bmp.zip
- %User Temp%\L6V0license.rtf.zip
- %User Temp%\L6V0Loading.EXE
- %User Temp%\L6V0INSTALLER.EXE
- {Malware Path}\fondo.bmp
- {Malware Path}\header.bmp
- {Malware Path}\loader64.gif
- {Malware Path}\license.rtf
Step 4
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.Vittalia.AM. 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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