Eorezo Ads “Virus” and Milicenso Trojan - How to Remove Them Fully
THREAT REMOVAL

Eorezo Ads “Virus” and Milicenso Trojan – How to Remove Them (October 2017)

This article aims to help you by explaining how to remove Eorezo adware from your computer and prevent it from displaying pop-ups in the future as well.

New ad-supported software, known by the name Eorezo has been reported to heavily modify the computers it has been installed on in order to display advertisements. The bad news for the ones who have Eorezo adware installed on their computer and see “Ads by Eorezo” or similar is that they may also have a Trojan Horse installed on their computer as well. If you see advertisements related to Eorezo adware, it is recommended to read this article in order to learn how to remove Eorezo adware and the malware that is related to it.

Threat Summary

NameEorezo and Milicenso Viruses
TypeAdware/Online advertisements
Short DescriptionAims to display different advertisements on your computer which lead to numerous third-party sistes. May also collect personal information.
SymptomsAll types of advertisements pop-up on your PC. You machine may also experience slow-downs.
Distribution MethodSpam Emails, Email Attachments, Executable files
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How Did I Get Eorezo Adware

The main method by which your system may have become compromised by this ad-supported software is via a Trojan horse, detected as Trojan.Milicenso which uses the Microsoft Windows Print Spooler Service Remote Code Execution Vulnerability (CVE-2010-2729). When this Trojan infects your computer, it checks if you are running Windows on a Virtual Machine and if so, it shuts itself down. If not, the malware drops the Eorezo adware and then drops a .bat file, located in the %Temp% directory.

The Milicenso Trojan also drops other files, named randomly in the following Windows directories:

→ %System%\{random name}.dll
%WindowsDir%\Tasks\{random name}.job

The Trojan also drps Windows registry entries in the following Windows registry entries:

→ HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\
HKEY_LOCAL_MACHINE\SOFTWARE\

The virus then connects to multiple third-party hosts, reported by Symantec(Symantec.com) to be the following:

172.181.42.29
ads.alpha00001.com
allnighters.in
amandalikeguarana.ru
incotel.kz
incotel.kz/cgi-bin/shoppi
london-of10.ru
robinbobin20.ru
storage1.static.itmages.ru
storage5.static.itmages.ru
wildcounter.net
wildcounter.net/html/license

From there, it drops the Eorezo adware on your computer and it may also drop other malicious files and malware on it.

Eorezo Adware – Analysis

When the Eorezo adware is dropped on your computer by the Milicenso Trojan, the ad-supported program drops multiple files on your computer system, in the following locations:

→ %System%\{random file name}.exe

Then, the adware adds a registry entry with the location of the randomly named execuable file (above) in the following Windows registry sub-key:

→ HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run\

When this key is created, the file of this adware may automatically run on your computer and the adware may begin to display ads. The advertisements may be of different type:

  • Pop-ups.
  • Banners.
  • Highlighted Text.
  • Browser redirects.

In addition to displaying ads, the adware may also add third-party apps as web browser extensions which may collect different information from your web browser. Such information can be:

  • Your online browsing history.
  • Your system information.
  • Your network information.
  • Information of your online clicks.
  • Your online search history.

Remove Eorezo Adware and Trojan.Milicenso Malware from Your PC

In order to remove this malware, you can follow the removal instructions below. They are divided in manual and automatic removal steps. While the manual steps can help if you have experience in removing malware professionally, experts often advise to remove unwanted software, like Eorezo and malware, such as Trojan.Milicenso from your computer automatically, using an advanced anti-malware program. It not only automatically scans for malware on your computer and removes it, but can also protect your computer against future infections of these types.

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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