PUA_TOMOS.GA
not-a-virus:Downloader.Win32.Somato.h (Kaspersky); Somoto BetterInstaller (PUA) (Sophos); Win32:Somoto-J [PUP] (Avast)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This potentially unwanted application arrives as a file that exports the functions of other malware/grayware. It may arrive bundled with malware packages as a malware component. It may arrive as a file that exports functions used by other malware. It 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 exports functions used by other malware. It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
38,456 bytes
DLL
Yes
10 Oct 2013
Arrival Details
This potentially unwanted application arrives as a file that exports the functions of other malware/grayware.
It may arrive bundled with malware packages as a malware component.
It may arrive as a file that exports functions used by other malware.
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Propagation
This potentially unwanted application does not have any propagation routine.
Backdoor Routine
This potentially unwanted application does not have any backdoor routine.
Other Details
This potentially unwanted application exports functions used by other malware.
It requires its main component to successfully perform its intended routine.
NOTES:
The export functions may be used to do any of the following:
- Using the value name as a parameter, it can read registry values from the following keys and their subkeys:
- HKCR
- HKLM
- HKCU
- HKU
- HKCC
- Using the dialog box title and the message to be displayed as parameters, it may produce a message box
- It may return the value "9324"
It does not have rootkit capabilities.
It does not exploit any vulnerability.
SOLUTION
9.750
1.647.00
06 Aug 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
Scan your computer with your Trend Micro product to delete files detected as PUA_TOMOS.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.
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