Behavior:Win32/SevPrivEscByPipeImpersonation.A — Privilege Escalation via Named Pipe Impersonation

Written by Wilbur Woodham
If you spectate the notification of Behavior:Win32/SevPrivEscByPipeImpersonation.A detection, it seems that your PC has a problem. Identifies a privilege escalation attempt via named pipe impersonation. An adversary may abuse this technique by utilizing a framework such as Metasploit’s meterpreter getsystem command
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Named Pipes is a Windows mechanism that enables two unrelated processes to exchange data, even if the processes are located on two different networks. It’s very simar to client/server architecture as notions such as a named pipe server and a named pipe client exist.

A named pipe server can open a named pipe with some predefined name, and then a named pipe client can connect to that pipe via the known name. Once the connection is established, data exchange can begin.

Any kind of malware exists with the only target – gain money on you1. And the programmers of these things are not thinking of morality – they utilize all available methods. Stealing your personal data, receiving the payments for the ads you watch for them, utilizing your system to mine cryptocurrencies – that is not the full list of what they do. Do you like to be a riding equine? That is a rhetorical question.

What does the notification with Behavior:Win32/SevPrivEscByPipeImpersonation.A detection mean?

The Behavior:Win32/SevPrivEscByPipeImpersonation.A detection you can see in the lower right corner is shown to you by Microsoft Defender. That anti-malware application is good at scanning. However, prone to be mainly unreliable. It is defenseless to malware attacks, it has a glitchy user interface and bugged malware-clearing features. Thus, the pop-up which says about the Privilege Escalation is simply an alert that Defender has identified it. To remove it, you will likely need to use a separate anti-malware program.

Behavior:Win32/SevPrivEscByPipeImpersonation.A found

Microsoft Defender: “Behavior:Win32/SevPrivEscByPipeImpersonation.A”

The exact Behavior:Win32/SevPrivEscByPipeImpersonation.A infection is a undesirable thing. It sits inside of your PC under the guise of something legit, or as a part of the program, you downloaded at a forum. Therefore, it makes all possible steps to make your system weaker. At the end of this “party”, it injects other viruses – ones which are chosen by cyber burglars who manage this virus. Hence, it is almost impossible to predict the effects from Privilege Escalation actions. And unpredictability is one of the most unpleasant things when it comes to malware. That’s why it is better not to choose at all, and don’t let the malware to complete its task.

Threat Summary:

NamePrivilege Escalation Behavior
DetectionBehavior:Win32/SevPrivEscByPipeImpersonation.A
DetailsPrivilege Escalation is attached to another program (such as a document), which can replicate and spread after an initial execution.
Fix ToolSee If Your System Has Been Affected by Privilege Escalation Behavior

Is Behavior:Win32/SevPrivEscByPipeImpersonation.A dangerous?

As I have pointed out , non-harmful malware does not exist. And Behavior:Win32/SevPrivEscByPipeImpersonation.A is not an exclusion. This virus alters the system settings, alters the Group Policies and registry. All of these elements are vital for proper system functioning, even when we are not talking about Windows safety. Therefore, the virus which Privilege Escalation contains, or which it will inject later, will squeeze out maximum profit from you. Crooks can steal your data, and then sell it on the Darknet. Using adware and browser hijacker functions, embedded in Behavior:Win32/SevPrivEscByPipeImpersonation.A malware, they can make profit by showing you the ads. Each view gives them a penny, but 100 views per day = $1. 1000 victims who watch 100 banners per day – $1000. Easy math, but sad conclusions. It is a bad choice to be a donkey for crooks.

How did I get this virus?

It is difficult to trace the sources of malware on your computer. Nowadays, things are mixed, and spreading tactics used by adware 5 years ago may be used by spyware nowadays. But if we abstract from the exact distribution tactic and will think about why it has success, the explanation will be quite uncomplicated – low level of cybersecurity knowledge. Individuals click on promotions on odd websites, open the pop-ups they get in their browsers, call the “Microsoft tech support” assuming that the odd banner that states about malware is true. It is essential to recognize what is legitimate – to avoid misconceptions when trying to determine a virus.

Microsoft Tech Support Scam

Microsoft Tech Support Scam

Nowadays, there are two of the most extensive ways of malware spreading – bait e-mails and also injection into a hacked program. While the first one is not so easy to stay away from – you should know a lot to recognize a fake – the 2nd one is very easy to get rid of: just do not use cracked applications. Torrent-trackers and various other providers of “free” applications (which are, exactly, paid, but with a disabled license checking) are just a giveaway place of malware. And Behavior:Win32/SevPrivEscByPipeImpersonation.A is just amongst them.

How to remove the Behavior:Win32/SevPrivEscByPipeImpersonation.A from my PC?

Behavior:Win32/SevPrivEscByPipeImpersonation.A malware is very hard to erase manually. It places its documents in numerous places throughout the disk, and can restore itself from one of the parts. Furthermore, numerous alterations in the windows registry, networking setups and Group Policies are quite hard to discover and revert to the initial. It is much better to use a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus elimination objectives.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated nearly every hour. Moreover, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for taking out malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of Privilege Escalation the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
How to Remove Behavior:Win32/SevPrivEscByPipeImpersonation.A Malware

Name: Behavior:Win32/SevPrivEscByPipeImpersonation.A

Description: If you have seen a message showing the “Behavior:Win32/SevPrivEscByPipeImpersonation.A found”, it seems that your system is in trouble. The Privilege Escalation virus was detected, but to remove it, you need to use a security tool. Windows Defender, which has shown you this message, has detected the malware. However, Defender is not a reliable thing - it is prone to malfunction when it comes to malware removal. Getting the Behavior:Win32/SevPrivEscByPipeImpersonation.A malware on your PC is an unpleasant thing, and removing it as soon as possible must be your primary task.

Operating System: Windows

Application Category: Behavior

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References

  1. Read about malware types on GridinSoft Threat encyclopedia.

About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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