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chromiumupdate.exe

Fuyuan Zhou

The application chromiumupdate.exe by Fuyuan Zhou has been detected as adware 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 named ChromiumUpdateTaskMachineCore triggered by a time event.
Publisher:
Fuyuan Zhou  (signed and verified)

MD5:
9e88a2dfb70c4920927f7d2a43c501b3

SHA-1:
7e3a74e613edd099c1761d34b4b34c3990e75168

SHA-256:
dcc7de4ad21d36455be972f97e01148e5193d808943f0d1d61d35ebb7346a941

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:
12/25/2024 7:02:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.7.31.5

File size:
577.9 KB (591,744 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\chromium\update\chromiumupdate.exe

Digital Signature
Signed by:
Fuyuan Zhou

Authority:
thawte, Inc.

Valid from:
7/27/2016 9:00:00 PM

Valid to:
6/21/2017 8:59:59 PM

Subject:
CN=Fuyuan Zhou, 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:
0974CC6B92609F4843A5406187BEF59D

File PE Metadata
Compilation timestamp:
7/29/2016 3:26:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:KWPIARDC+1KGGvMSwWv4sVh9Zbzd7HGJlW1:KWtZEGGvrDbl0lW1

Entry address:
0x453CD

Entry point:
E8, BA, 05, 00, 00, E9, 80, FE, FF, FF, FF, 25, 20, C2, 46, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, A0, 48, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, A0, 48, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Code size:
427 KB (437,248 bytes)

Scheduled Task
Task name:
ChromiumUpdateTaskMachineCore

Trigger:
Time


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