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YzUpdate.exe

YzUpdate

Youngzsoft Co., Ltd.

The application YzUpdate.exe by Youngzsoft Co. has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address li365-173.members.linode.com on port 80 using the HTTP protocol.
Publisher:
Youngzsoft  (signed by Youngzsoft Co., Ltd.)

Product:
YzUpdate

Version:
1.0.0.1

MD5:
41498e30cfd922a7581b8d91dd6f2925

SHA-1:
9970e0d46a520f6ddeb1316fec4b3e973d645a65

SHA-256:
4f666bd009390e0a05ddd155b7f4efcb10b7a1d7e6090a26a07ae260c227d417

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/30/2024 8:15:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.YoungzsoftCo.I
14.8.31.5

File size:
601.9 KB (616,336 bytes)

Product version:
1.0.0.1

Copyright:
(c) Youngzsoft. All rights reserved.

Original file name:
YzUpdate.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\ccproxy\yzupdate.exe

Digital Signature
Signed by:
Youngzsoft Co., Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 2:00:00 AM

Valid to:
4/18/2015 1:59:59 AM

Subject:
CN="Youngzsoft Co., Ltd.", OU=Software Development, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Youngzsoft Co., Ltd.", L=Changsha, S=Hunan, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3100D378FD898D4DA76C9FCBA2E349F7

File PE Metadata
Compilation timestamp:
6/26/2013 4:09:25 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:y7AkI0Y9hn1DKIWAuj8S2ytaSLRGHyiYfSWWA:y7AkI0kcvDjtnLRTUA

Entry address:
0x2DAF3

Entry point:
E8, 30, 66, 00, 00, E9, 79, FE, FF, FF, 3B, 0D, 70, 86, 45, 00, 75, 02, F3, C3, E9, B2, 66, 00, 00, 8B, C1, 83, 60, 04, 00, 83, 60, 08, 00, C7, 00, 2C, BB, 44, 00, C3, 8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 56, 57, 8B, F9, C7, 07, 2C, BB, 44, 00, 8B, 03, 85, C0, 74, 26, 50, E8, F4, 67, 00, 00, 8B, F0, 46, 56, E8, 3C, 0D, 00, 00, 59, 59, 89, 47, 04, 85, C0, 74, 12, FF, 33, 56, 50, E8, 6D, 67, 00, 00, 83, C4, 0C, EB, 04, 83, 67, 04, 00, C7, 47, 08, 01, 00, 00, 00, 8B, C7, 5F, 5E, 5B, 5D, C2, 04, 00, 8B, FF, 55...
 
[+]

Code size:
283.5 KB (290,304 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to li365-173.members.linode.com  (96.126.108.173:80)

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