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easthasupdate.exe

Shulan Hou

The application easthasupdate.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.
Publisher:
Shulan Hou  (signed and verified)

MD5:
bd7051f6ae910177fe6ce55c565b2c9c

SHA-1:
146b27c63e85e166919b33dd8605ebc49fd543b5

SHA-256:
864d6b6c56f470d986c22c9282db34cb3a6d90d5d827de3cf96a4385ec999b87

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:
12/26/2025 1:00:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.10.21.9

File size:
300.4 KB (307,584 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\easthas\update\easthasupdate.exe

Digital Signature
Signed by:
Shulan Hou

Authority:
thawte, Inc.

Valid from:
10/19/2016 9:00:00 PM

Valid to:
6/13/2017 8:59:59 PM

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:
79883191E483A9517C916AC6B3994C54

File PE Metadata
Compilation timestamp:
10/20/2016 11:46:42 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
3072:J/dfu9pAg0Fuj6Vk0D9u2O7f24UGUkwgFobQpwrYeRMt2sUhU+QxL60D4lWZAw:JGAOek4Y2O7ZskwJceRMtl+QDtZ3

Entry address:
0x27369

Entry point:
E8, B7, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, 70, 82, 44, 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, 40, 44, 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, 40, 44, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Code size:
267 KB (273,408 bytes)

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