Win32/Spy.Ursnif.AO

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Spy.Ursnif.AO infection?

In this post you will find regarding the interpretation of Win32/Spy.Ursnif.AO and its negative influence on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom by a target.

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In the majority of the instances, Win32/Spy.Ursnif.AO infection will certainly instruct its targets to launch funds move for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Win32/Spy.Ursnif.AO Summary

These alterations can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Compression (or decompression);
  • Injection with CreateRemoteThread in a remote process;
  • 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.
  • 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: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Sniffs keystrokes;
  • A system process is generating network traffic likely as a result of process injection;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Ciphering the files situated on the victim’s hard disk — so the sufferer can no longer make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

Win32/Spy.Ursnif.AO

The most common channels whereby Win32/Spy.Ursnif.AO Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a destructive software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or protect against the gadget from working in a correct fashion – while likewise positioning a ransom money note that points out the requirement for the sufferers to impact the repayment for the objective of decrypting the documents or recovering the documents system back to the first condition. In most instances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Win32/Spy.Ursnif.AO distribution channels.

In various edges of the globe, Win32/Spy.Ursnif.AO expands by leaps and bounds. However, the ransom money notes and also techniques of obtaining the ransom money quantity might vary depending upon certain local (local) setups. The ransom notes as well as tricks of obtaining the ransom amount may differ depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software program piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the Win32/Spy.Ursnif.AO popup alert may wrongly assert to be originating from a police organization and also will report having located youngster porn or various other unlawful data on the gadget.

    Win32/Spy.Ursnif.AO popup alert might wrongly claim to be deriving from a law enforcement organization as well as will report having located kid pornography or various other illegal information on the tool. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 2923892D
md5: cc6082461b2b979e7f8375a1f75caa72
name: CC6082461B2B979E7F8375A1F75CAA72.mlw
sha1: 65c78f3ee3531f15ae6b0900a404cac48aa24c85
sha256: 7af9d3d6315ea3d0bf8a2f01e62190918a46d4449bd2e27d2ba6849b9664b655
sha512: 9f7cc60e09f386ab38bc6be25bd15afe83d266522d70999e9ee245b4a3d2f01bc2db94fc29f2c8d393268cf84dffb4c03a39e84fd299a04a288b0ec27c0fadc6
ssdeep: 6144:CAnPJkXv7RqPJVJYLs0QMIi6fjGOW710klsatBII:nnPJk/7MR8A0Q9y71PCa3I
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2010
InternalName: Fattier
FileVersion: 38, 184, 249, 168
CompanyName: silkmoth plc
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: Magnate Fetish
SpecialBuild:
ProductVersion: 30, 171, 51, 52
FileDescription:
OriginalFilename:

Win32/Spy.Ursnif.AO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Password-Stealer ( 0055e3dc1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader19.30704
Cynet Malicious (score: 100)
ALYac Trojan.TeslaCrypt.Gen.4
Cylance Unsafe
Zillya Trojan.CryptGen.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Password-Stealer ( 0055e3dc1 )
Cybereason malicious.61b2b9
Symantec Trojan.Gen
ESET-NOD32 Win32/Spy.Ursnif.AO
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Waldek.awid
BitDefender Trojan.TeslaCrypt.Gen.4
NANO-Antivirus Trojan.Win32.Waldek.eakiig
MicroWorld-eScan Trojan.TeslaCrypt.Gen.4
Tencent Win32.Trojan.Waldek.Taeq
Ad-Aware Trojan.TeslaCrypt.Gen.4
Sophos Mal/Generic-R + Mal/Ransom-EG
BitDefenderTheta Gen:NN.ZexaF.34608.pq0@aSeOvFkb
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SM1
McAfee-GW-Edition BehavesLike.Win32.Downloader.dc
FireEye Generic.mg.cc6082461b2b979e
Emsisoft Trojan.TeslaCrypt.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Adware.Gen
Avira TR/Crypt.XPACK.406628
Microsoft TrojanSpy:Win32/Ursnif.BM!MTB
Arcabit Trojan.TeslaCrypt.Gen.4
AegisLab Trojan.Win32.Waldek.4!c
GData Trojan.TeslaCrypt.Gen.4
TACHYON Trojan/W32.Waldek.245760.C
AhnLab-V3 Trojan/Win32.Ursnif.C2421455
Acronis suspicious
McAfee Artemis!CC6082461B2B
MAX malware (ai score=88)
VBA32 BScope.TrojanDownloader.Talalpek
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_HPLOCKY.SM1
Rising Stealer.Papras!8.132 (CLOUD)
Ikarus Trojan.Win32.PSW
Fortinet W32/Bourben.MVC!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.20a

How to remove Win32/Spy.Ursnif.AO ransomware?

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/Spy.Ursnif.AO 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/Spy.Ursnif.AO you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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