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update.exe

快压更新程序

上海广乐网络科技有限公司

The application update.exe by 上海广乐网络科技有限公司 has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. While running, it connects to the Internet address 164.203.215.139.adsl-pool.jlccptt.net.cn on port 80 using the HTTP protocol.
Publisher:
Shanghai Guangle Network Technology Ltd   (signed by 上海广乐网络科技有限公司)

Product:
快压更新程序

Description:
update process

Version:
2, 8, 4, 0

MD5:
237c917253dfff0dac5d9507f0f980b8

SHA-1:
a7c94419b15f56f5e377458ba96e07e2f433d0f7

SHA-256:
2f036d5f8fe1255a96aa64ed6b53a2879c72680d082c9a610b953a23571b1ea0

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/30/2024 6:18:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Kuaizip (M)
16.12.15.11

File size:
903.9 KB (925,592 bytes)

Product version:
2, 8, 4, 0

Copyright:
上海广乐网络科技有限公司. Copyright 2010-2013

Original file name:
KzUpdate.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\Program Files\¿ìñ¹\x86\update.exe

Digital Signature
Signed by:
上海广乐网络科技有限公司

Authority:
VeriSign, Inc.

Valid from:
6/15/2015 5:30:00 AM

Valid to:
9/14/2017 5:29:59 AM

Subject:
CN=上海广乐网络科技有限公司, OU=技术, O=上海广乐网络科技有限公司, L=上海, S=上海, 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:
02B30EE595AD3BBE219E68DC6A431AF2

File PE Metadata
Compilation timestamp:
8/18/2016 11:27:45 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x379D1

Entry point:
E8, D6, DA, 00, 00, E9, 79, FE, FF, FF, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B, 4C, 24, 04, 2B, C1, C3, 8D, 41, FE, 8B...
 
[+]

Entropy:
6.6788

Code size:
582 KB (595,968 bytes)

Scheduled Task
Task name:
KuaiZip_Update

Trigger:
Logon (Runs on logon)


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

TCP (HTTP):
Connects to 163.203.215.139.adsl-pool.jlccptt.net.cn  (139.215.203.163:80)

TCP (HTTP):
Connects to 164.203.215.139.adsl-pool.jlccptt.net.cn  (139.215.203.164:80)

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