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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 3 anti-malware scanners. 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 163.203.215.139.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:
38c4210ead0236cab8eb9a16e01b1fc5

SHA-1:
a8c256c4403a74c1484b0afbf83b9d6c7ebf0d46

SHA-256:
7b9c95fa1e1063554b6b7ea9c3b78bd81e03de0b14bd9c9db0d4bf5d6c8e1767

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
4/30/2024 6:37:12 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160917-0

ESET NOD32
Win32/KuaiZip.B potentially unwanted application
6.3.12010.0

Reason Heuristics
PUP.Kuaizip (M)
16.10.17.15

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)

Common path:
C:\Program Files\快压\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 2:00:00 AM

Valid to:
9/14/2017 1:59:59 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 7:57:45 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:GDPEYcVtPAVBgpZDVCADoz6cbKQHX3n9TsmcMeSiYgc69j10vxSQJMlmmZd2kXbj:PtPAV2DVjk+cbxn9yMeS3O9j0xSQa

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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