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TrojanDownloader:Win32/Umbald.A

First posted on 28 May 2019.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Umbald.A.

Explanation :

TrojanDownloader:Win32/Umbald.A is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer. Installation When executed, TrojanDownloader:Win32/Umbald.A copies itself to %windir%winsvchost.exe.
The malware modifies the following registry entries to ensure that its copy executes at each Windows start:

Adds value: "Windows Updater"
With data: "c:windowswinsvchost.exe"
To subkey: HKCUSoftwareMicrosoftwindowscurrentversion
un Payload Contacts remote host TrojanDownloader:Win32/Umbald.A may contact a remote host at a1.livefeed916.com using port 80. 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 a02f894bd03fecad453fb333e921570bbf57972b.

Last update 28 May 2019

 

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