About “Downloader.Win32.Yantai.hmj” infection

The Downloader.Win32.Yantai.hmj 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 Downloader.Win32.Yantai.hmj virus can do?

• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process created a hidden window
• Drops a binary and executes it
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• Tries to suspend Cuckoo threads to prevent logging of malicious activity
• A process attempted to delay the analysis task by a long amount of time.
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine Downloader.Win32.Yantai.hmj?

File Info:
crc32: 29CD02AA
md5: 8a7725808324414e85f026d12cdec373
name: setup_kszip_ksysdate01nodkpk_v1.0_silent.exe
sha1: 7757ab321c76162e606edd7509f4db2cad5df239
sha256: 800a9d7b30d2c8f64c44fd7b53a82146875de385c2f73fd8dd6ef501ba91f3dd
sha512: c9fee7bda09d1972096d84c0025e5dd2f38c41235fed776d36be8761a4dcf28899b86471b48448e544b556113265b00c851b605421964f3fded4b52832f2541e
ssdeep: 196608:5TqF6SqNeWvYe40C1US9ZbyyoQa/atV7Pa7aSWpg9yCN3fHaVPwZuay3unl0VGOg:5uF4NeWgebS95ycaAJSJYghN3f0PwZuW
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright (C) 2019 x4e0ax6d77x5b50x672ax7f51x7edcx79d1x6280x6709x9650x516cx53f8
InternalName: Setup.exe
CompanyName: x4e0ax6d77x5b50x672ax7f51x7edcx79d1x6280x6709x9650x516cx53f8
ProductName: x5febx95eax538bx7f29
ProductVersion: 2.0.0.1
FileDescription: x5febx95eax538bx7f29x5b89x88c5x7a0bx5e8f
OriginalFilename: Setup.exe
Translation: 0x0804 0x04b0

Downloader.Win32.Yantai.hmj also known as:

How to remove Downloader.Win32.Yantai.hmj?

• 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.