Should I remove “Trojan.Agent.ERHF”?

The Trojan.Agent.ERHF is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Trojan.Agent.ERHF virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Attempts to connect to a dead IP:Port (2 unique times)
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Mimics the system’s user agent string for its own requests
• A process attempted to delay the analysis task.
• A named pipe was used for inter-process communication
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• A process created a hidden window
• Drops a binary and executes it
• Performs some HTTP requests
• Uses Windows utilities for basic functionality
• Executed a process and injected code into it, probably while unpacking
• A system process is generating network traffic likely as a result of process injection
• Behavior consistent with a dropper attempting to download the next stage.
• Installs itself for autorun at Windows startup
• Checks the CPU name from registry, possibly for anti-virtualization
• Creates a copy of itself
• Collects information to fingerprint the system

Related domains:

How to determine Trojan.Agent.ERHF?

File Info:
crc32: 1260DD6F
md5: 991357d03253a5e3ac48ad08e77e047c
name: 8888888.png
sha1: 681f6d67bf237eb8485b8c9f104cb77584381195
sha256: 5eeb79444cb02863e87918f3b50a7bf164bc5b58524ac48860563413b16a7ef2
sha512: 509f9efaa57ef3f26138571827b1d3e67ae9b07850a0424fa994c10cbf7b2f2caf74189bb179ed72ce0e0ebe458db2137d3e07dd50eb8409d55286a8796cef75
ssdeep: 12288:9gU3965wVaFgq6LuM+0D2PNEtFvxNIGe8erLIX:dkFgdnUVEIuerLI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: Sticky
FileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7600.16385
FileDescription: Sticky Notes
OriginalFilename: StikyNot.exe
Translation: 0x0409 0x04b0

Trojan.Agent.ERHF also known as:

How to remove Trojan.Agent.ERHF?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.