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eastmyupdate.exe

Shulan Hou

The application eastmyupdate.exe by Shulan Hou 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 EastmyUpdateTaskMachineCore triggered by a time event.
Publisher:
Shulan Hou  (signed and verified)

MD5:
52dcae0b2dc8ce81860f4feab9372476

SHA-1:
23d598f808f959314b050337f05f394a548e5254

SHA-256:
a80d924f154f9ec07169ad7b8bee7ace240e01f738230faeffa574f30dfe4533

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:
11/27/2024 3:16:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.9.22.3

File size:
594.2 KB (608,504 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\eastmy\update\eastmyupdate.exe

Digital Signature
Signed by:
Shulan Hou

Authority:
thawte, Inc.

Valid from:
9/12/2016 5:30:00 AM

Valid to:
6/14/2017 5:29:59 AM

Subject:
CN=Shulan Hou, 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:
3261BAE34D602AACC22105B22CB5F2E9

File PE Metadata
Compilation timestamp:
9/12/2016 3:52:30 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:XHfw474tBlqoHhGdL+zUhaSH/VCWH0jwDb1:XY47wlqVavjq1

Entry address:
0x49185

Entry point:
E8, BB, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, DC, 03, 47, 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, C0, 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, C0, 48, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Entropy:
6.4832

Code size:
441 KB (451,584 bytes)

Scheduled Task
Task name:
EastmyUpdateTaskMachineCore

Trigger:
Time


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