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isr_lj.exe

Yuanyuan Zhang

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

MD5:
d6b37495f80bc8462a1f5941ada74d83

SHA-1:
a433ab670cccf8ab07a58c61df1ba0906f1f408f

SHA-256:
52b80357737c59b1afce30a52dab4c5b39deb84b7ef3e4ec1508f7891e3fd2ac

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
8/17/2026 8:20:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
16.10.4.17

File size:
409.2 KB (419,040 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 Zhang

Authority:
thawte, Inc.

Valid from:
9/20/2016 1:00:00 AM

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

Subject:
CN=Yuanyuan Zhang, 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:
0C501B8B113209C96C8119CF7A6B8B79

File PE Metadata
Compilation timestamp:
9/27/2016 12:26:09 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:v9HIhV+j0GbJOsx1VjYSvSdcpQm4/RVqYUg4JRHQtZNlcKn0r:1ohVG0GJB9qOpQ/VqN5QtZCr

Entry address:
0x1418

Entry point:
E8, 7D, 90, 00, 00, E9, B3, B0, 00, 00, 55, 8B, EC, 53, 56, 57, 33, FF, BB, E3, 00, 00, 00, 8D, 04, 3B, 99, 2B, C2, 8B, F0, D1, FE, 6A, 55, FF, 34, F5, 88, D5, 45, 00, FF, 75, 08, E8, 31, 37, 00, 00, 83, C4, 0C, 85, C0, 74, 13, 79, 05, 8D, 5E, FF, EB, 03, 8D, 7E, 01, 3B, FB, 7E, D0, 83, C8, FF, EB, 07, 8B, 04, F5, 8C, D5, 45, 00, 5F, 5E, 5B, 5D, C3, 6A, 08, 68, 98, 17, 46, 00, E8, 44, B3, 00, 00, 83, 3D, 14, 4E, 46, 00, 00, 75, 18, E8, C8, 90, 00, 00, 6A, 1E, E8, D3, 39, 00, 00, 68, FF, 00, 00, 00, E8, 5F...
 
[+]

Code size:
358.5 KB (367,104 bytes)

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