What is Win32/Pterodo.AD infection?

In this short article you will discover concerning the definition of Win32/Pterodo.AD as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the instances, Win32/Pterodo.AD virus will advise its victims to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/Pterodo.AD Summary

These adjustments can be as complies with:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk — so the victim can no longer use the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most typical networks through which Win32/Pterodo.AD Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that organizes a malicious software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or prevent the device from functioning in a proper manner – while also placing a ransom note that discusses the requirement for the targets to effect the payment for the function of decrypting the records or bring back the documents system back to the initial condition. In most instances, the ransom note will come up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/Pterodo.AD distribution networks.

In different corners of the world, Win32/Pterodo.AD grows by leaps and also bounds. However, the ransom notes and tricks of extorting the ransom quantity may vary depending on certain local (local) settings. The ransom notes and tricks of extorting the ransom quantity may vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the victim’s tool. The alert then requires the user to pay the ransom.

    Faulty statements about unlawful content.

    In countries where software program piracy is much less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Win32/Pterodo.AD popup alert might incorrectly assert to be stemming from a law enforcement organization and also will report having situated child porn or various other prohibited information on the device.

    Win32/Pterodo.AD popup alert may wrongly assert to be deriving from a legislation enforcement institution and will certainly report having located child pornography or various other unlawful information on the tool. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: BD1E64E6
md5: 387024ed3c462fa537536ac3de6d6dda
name: 387024ED3C462FA537536AC3DE6D6DDA.mlw
sha1: d3959c9696fa204622a8de643180a0aad16b9480
sha256: 931fc0f528a9a828cae239ed5a00ce6e65823a5ad490f18cc86c6cb5c74e57d7
sha512: a49d3f730f5ec963955458c508c6552260939cfd376e93b8e05e680b5f794399dcb45e2868fc2f36e76eeb90f5c58a90b457fb02cce58aa5b581f404a418049b
ssdeep: 6144:zLTHQOrRezFWuRwIDnJs3kOCZTWTZDMPRNHnSsrfvzXkVQ3gqolv:zXwOrReFWQFjjTYONxrXkVU+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2005-2012 Oleg N. Scherbakov
InternalName: 7ZSfxMod
CompanyName: Oleg N. Scherbakov
PrivateBuild: December 30, 2012
ProductName: 7-Zip SFX
FileDescription: 7z Setup SFX (x86)
OriginalFilename: 7ZSfxMod_x86.exe
Translation: 0x0000 0x04b0

Win32/Pterodo.AD also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0051aa2b1 )
DrWeb Trojan.MulDrop7.45911
ALYac Trojan.GenericKD.6303335
Cylance Unsafe
Alibaba TrojanSpy:Win32/Screen.6c0ba63c
K7GW Trojan ( 0051aa2b1 )
Cybereason malicious.d3c462
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Pterodo.AD
APEX Malicious
Avast Win32:Malware-gen
BitDefender Trojan.GenericKD.6303335
NANO-Antivirus Trojan.Win32.Pterodo.eutcrn
MicroWorld-eScan Trojan.GenericKD.6303335
Tencent Win32.Trojan-spy.Screen.Lkno
Ad-Aware Trojan.GenericKD.6303335
Sophos Mal/Generic-S
Comodo Malware@#iz5q9t6putrp
BitDefenderTheta Gen:NN.ZexaF.34628.ACW@ayftHIhi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Ransomware-FQO!FA8D53061EC0
FireEye Trojan.GenericKD.6303335
Emsisoft Trojan.GenericKD.6303335 (B)
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Skeeyah.A!MTB
Arcabit Trojan.Generic.D602E67
AegisLab Trojan.Win32.Screen.l!c
GData Trojan.GenericKD.6303335
McAfee Artemis!387024ED3C46
MAX malware (ai score=99)
VBA32 TrojanSpy.Screen
Panda Trj/CI.A
Rising Trojan.Generic@ML.86 (RDML:iJJn3qy3KAE3pAOfbHhkrQ)
Yandex TrojanSpy.Screen!wT6sUSNdBhc
Ikarus Trojan.Win32.Pterodo
Fortinet W32/Pterodo.AD!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.972

How to remove Win32/Pterodo.AD virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Pterodo.AD files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Pterodo.AD you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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