About “Trojan.Win32.Zenpak.ahah” infection

The Trojan.Win32.Zenpak.ahah 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.

What Trojan.Win32.Zenpak.ahah virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Attempts to connect to a dead IP:Port (3 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• Mimics the system’s user agent string for its own requests
• Possible date expiration check, exits too soon after checking local time
• 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
• 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
• Installs itself for autorun at Windows startup
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Attempts to modify proxy settings
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine Trojan.Win32.Zenpak.ahah?

File Info:
crc32: 023938A5md5: de5a089343305187690a0703a0b2c0a2name: tmpec0d516_sha1: 90d00f2d5800c6b6705af5e425e2e92f8c39b4desha256: 547cf65bde4bf3a999165753f0d640d55f6aa5b38f36fb261d47ae4f0ba5d554sha512: e885c9cb1239212dea10609f5a47ae18911686e70bdf2e7921e2f4e436ec574c0eab86f74fedf54f0e45bc3c37b8ab40a8657767a8d86bd03218e0f722c654f8ssdeep: 12288:m2UML/axdZP+4gSyUaYV6TaHH7FNQTLBR32Yrm2T:m2UM7wg1Ua86sH5NQTVR32Ya2Ttype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: RDPClipFileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 6.1.7601.17514FileDescription: RDP Clip MonitorOriginalFilename: RDPClip.exeTranslation: 0x0409 0x04b0

Trojan.Win32.Zenpak.ahah also known as:

How to remove Trojan.Win32.Zenpak.ahah?

• 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.