Encyclopedia entry
Updated:
Jan 25, 2012
| Published:
Jan 25, 2012
Aliases
Alert Level
(?)
Severe
Antimalware protection details
Microsoft recommends that you download the
latest definitions
to get protected.
Detection last updated:
Definition: 1.147.1445.0
Released: Apr 09, 2013
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Detection initially created:
Definition: 1.119.55.0
Released: Jan 18, 2012
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Summary
TrojanSpy:Win32/SSonce.C is a trojan that collects sensitive information for an attacker.
Symptoms
System changes
The following system changes may indicate the presence of this malware:
- The presence of the following files:
<system folder>\update.exe
- The presence of the following registry modifications:
Adds value: "Update.exe"
With data: "c:\windows\system32\update.exe"
To subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Technical Information (Analysis)
TrojanSpy:Win32/SSonce.C is a trojan that collects sensitive information for an attacker.
Installation
When executed, TrojanSpy:Win32/SSonce.C copies itself to <system folder>\update.exe.
Note: <system folder> refers to a variable location that is determined by the malware by querying the Operating System. The default installation location for the System folder for Windows 2000 and NT is C:\Winnt\System32; and for XP, Vista, and 7 is C:\Windows\System32.
The malware modifies the following registry entries to ensure that its copy executes at each Windows start:
Adds value: "Update.exe"
With data: "c:\windows\system32\update.exe"
To subkey: HKCU\Software\Microsoft\windows\currentversion\run
Payload
Contacts remote host
TrojanSpy:Win32/SSonce.C may contact a remote host at fahad-1998.no-ip.org using port 1515. Commonly, malware may contact a remote host for the following purposes:
- To report a new infection to its author
- To receive configuration or other data
- To download and execute arbitrary files (including updates or additional malware)
- To receive instruction from a remote attacker
- To upload data taken from the affected computer
This malware description was produced and published using our automated analysis system's examination of file SHA1 2203f126c389d01c2978a73df114e7c3541f2e2d.
Prevention
Recovery
To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information about using antivirus software, see
http://www.microsoft.com/windows/antivirus-partners/.
