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TrojanDownloader:Win32/Lacam.A

First posted on 30 March 2015.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior

Installation
This threat can create files on your PC, including:

• %APPDATA%\mozila\btc.exe
• %APPDATA%\mozila\ver.dat

It modifies the registry so that it runs each time you start your PC. For example:

In subkey: HKCU\software\microsoft\windows\currentversion\run
Sets value: "Samsung Appstore"
With data: ""%APPDATA%\mozila\scvhost.exe" "sevdim inanamayacagin kadar seni esmer kiz kirpiklerimde cirpinan su tuzlu gozyasimda ihanetin adi yok""

Payload


Downloads malware or unwanted software

This threat can download other malware and unwanted software onto your PC.



Connects to a remote host

We have seen this threat connect to a remote host, including:

• www.porschealacam.com using port 80

Malware can connect to a remote host to do any of the following:

• Check for an Internet connection
• Download and run files (including updates or other malware)
• Report a new infection to its author
• Receive configuration or other data
• Receive instructions from a malicious hacker
• Search for your PC location
• Upload information taken from your PC
• Validate a digital certificate

We have seen this threat access online content, including:

• update.zip
• manifest.json
• ff.zip
• bg.js
• son.exe

Additional information

Creates a mutex

This threat can create a mutex on your PC. For example:

• Global\SAScaConMut

It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.



This malware description was published using automated analysis of file SHA1 2652f3a295b5e73a402ab17477ee7c5c7a1dbbf5.

Symptoms

The following can indicate that you have this threat on your PC:

• You see a file similar to:
  • %APPDATA%\mozila\btc.exe
  • %APPDATA%\mozila\ver.dat

• You see registry modifications such as:
  
  • In subkey: HKCU\software\microsoft\windows\currentversion\run
    Sets value: "Samsung Appstore"
    With data: ""%APPDATA%\mozila\scvhost.exe" "sevdim inanamayacagin kadar seni esmer kiz kirpiklerimde cirpinan su tuzlu gozyasimda ihanetin adi yok""

• The presence of a mutex such as:
  • Global\SAScaConMut

Last update 30 March 2015

 

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