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isr_lj.exe

Yuanyuan Mei

The application isr_lj.exe by Yuanyuan Mei 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:
Yuanyuan Mei  (signed and verified)

MD5:
f31536bf42b78452f2fb5518314a59d1

SHA-1:
611cd0b167a6c6e090624cba18a8d34cec6d3c15

SHA-256:
6664bb7b5d10c09f08bb619950cf5cc76f969fb305a71073875af21fd82d7c59

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 11:48:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex (M)
16.8.19.0

File size:
501.3 KB (513,288 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yuanyuan Mei

Authority:
thawte, Inc.

Valid from:
8/12/2016 1:00:00 AM

Valid to:
4/21/2017 12:59:59 AM

Subject:
CN=Yuanyuan Mei, 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:
6C5D7A45FC4FE4003F40D7B13C3AA377

File PE Metadata
Compilation timestamp:
8/13/2016 3:04:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:AZhgiRfL54CArMT4RgMWDpgmIir9RJiUBd35j8:AZhnNWCAo5MKpgmr9/3pj8

Entry address:
0x603B

Entry point:
E8, E4, 94, 00, 00, E9, 7F, FE, FF, FF, 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, F4, 68, 42, 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, B0, 48, 42, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, F4, 68, 42, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F...
 
[+]

Entropy:
7.7612  (probably packed)

Code size:
97.5 KB (99,840 bytes)

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