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update.exe

KzUpdate

Shanghai Guangle Network Technology Co., Ltd.

The application update.exe by Shanghai Guangle Network Technology Co. has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This file is typically installed with the program KuaiZip by Shanghai Guangle Network Technology Co., Ltd.. While running, it connects to the Internet address 203.130.53.126-BJ-CNC on port 80 using the HTTP protocol.
Publisher:
Shanghai Guangle Network Technology Co., Ltd.  (signed and verified)

Product:
KzUpdate

Description:
KzUpdate.exe

Version:
1.0.0.0

MD5:
c380f5ca1d871a044a7652578bbc27a9

SHA-1:
1bf0c88dcff8ecb787d11b338ede494ef10eed81

SHA-256:
d389b99ac601ffd5440568f37820094c7755694e0e79b5de1e977aea2ea4596e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 11:50:46 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.KuaiZip (M)
16.9.21.7

File size:
1.1 MB (1,141,376 bytes)

Product version:
1.0.0.0

Copyright:
Kuaizip Copyright 2010-2016

Original file name:
KzUpdate.exe

File type:
Executable application (Win32 EXE)

Language:
English

Common path:
C:\Program Files\kuaizip\x86\update.exe

Digital Signature
Signed by:
Shanghai Guangle Network Technology Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
7/13/2016 4:12:51 PM

Valid to:
7/13/2017 4:12:51 PM

Subject:
CN="Shanghai Guangle Network Technology Co., Ltd.", O="Shanghai Guangle Network Technology Co., Ltd.", L=Shanghai, S=Shanghai, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
59CB3DC891C008365FDB7FD578F419A5

File PE Metadata
Compilation timestamp:
7/22/2016 2:15:08 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:CZbbxnX0vNxNqeApUEWA2PDi0paTGfTt3mvSwLbr/XcQJcoVNd31qOugJyUy:MZkNxNqheFzDNpNfTtWSwz1BBq5gwUy

Entry address:
0x36EF1

Entry point:
E8, 97, DB, 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:
6.2018

Code size:
580 KB (593,920 bytes)

The file update.exe has been discovered within the following program.

KuaiZip  by Shanghai Guangle Network Technology Co., Ltd.
About 1% of users remove it
 
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The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to 203.130.56.132-BJ-CNC  (203.130.56.132:80)

TCP (HTTP):
Connects to 203.130.62.21-BJ-CNC  (203.130.62.21:80)

TCP (HTTP):
Connects to 203.130.53.126-BJ-CNC  (203.130.53.126:80)

TCP (HTTP):
Connects to 203.130.57.29-BJ-CNC  (203.130.57.29:80)

TCP (HTTP):
Connects to 203.130.58.30-BJ-CNC  (203.130.58.30:80)

TCP (HTTP):
Connects to 203.130.61.92-BJ-CNC  (203.130.61.92:80)

TCP (HTTP):
Connects to static.cmcti.vn  (45.122.234.69:80)

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