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checkupdate.exe

Yang Liu

The application checkupdate.exe by Yang Liu has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Yang Liu  (signed and verified)

Version:
3.2.38.1

MD5:
a975e8517a0c644350d00544981f3ccc

SHA-1:
1b012630d0ad6465b6b90ab9bd03667100121448

SHA-256:
7103be30720df50113bb726b147f9b224ef73dff1f957870464132b5a29e79d1

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/12/2025 9:14:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.FFElex (M)
16.9.27.21

File size:
265.5 KB (271,880 bytes)

Product version:
3.2.38.1

Copyright:
Copyright (C) 2016

Original file name:
update.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\checkupdate.exe

Digital Signature
Signed by:
Yang Liu

Authority:
thawte, Inc.

Valid from:
4/27/2016 3:00:00 AM

Valid to:
11/26/2016 1:59:59 AM

Subject:
CN=Yang Liu, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7DCF81CC0A5C816FFA2F3E338623434F

File PE Metadata
Compilation timestamp:
4/28/2016 6:05:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:S4Qoje2i0cUWYaDXddKKn3WqQcRH0Jofjk9g+weVa2SvZFOQq4Xvys:S0jeH0YDNdPmG90JSqYvTxq4XvJ

Entry address:
0x149A7

Entry point:
E8, 12, B2, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, 98, 85, 43, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 38, 68, 43, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, 98, 85, 43, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03...
 
[+]

Code size:
167.5 KB (171,520 bytes)

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