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isr_lm.exe

Yuanyuan Zhang

The application isr_lm.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:
68c658f1465a7f7200b467e41be687cc

SHA-1:
600a11740ec646a6d730877373eb1a7180fdfc61

SHA-256:
2b4191db982a4d66ff6b64722f27def099623e16660564128eff7480934cad9e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
8/10/2025 2:21:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
16.12.5.20

File size:
414.4 KB (424,368 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
11/25/2016 7:00:00 AM

Valid to:
4/21/2017 6:59:59 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:
0C1BE58F5DA644DFC0CB6934323DA30F

File PE Metadata
Compilation timestamp:
11/14/2016 9:51:29 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:dOgqgR+aGfT+jEUOZkt/hMrLD5YUekj1h6U/zJ7Z771:dRnBhIUOZktmD5/e+1fJh1

Entry address:
0x7F6E

Entry point:
E8, 74, 24, 00, 00, E9, 75, 3A, 00, 00, 6A, 10, 68, B0, 2F, 46, 00, E8, EC, 3F, 00, 00, 33, FF, 89, 7D, E4, 6A, 01, E8, 66, 25, 00, 00, 59, 21, 7D, FC, 6A, 03, 5E, 89, 75, E0, 3B, 35, 44, A3, 46, 00, 7D, 53, A1, 40, A3, 46, 00, 8B, 04, B0, 85, C0, 74, 44, F6, 40, 0C, 83, 74, 10, 50, E8, 73, 06, 00, 00, 59, 83, F8, FF, 74, 04, 47, 89, 7D, E4, 83, FE, 14, 7C, 29, A1, 40, A3, 46, 00, 8B, 04, B0, 83, C0, 20, 50, FF, 15, B0, D0, 45, 00, A1, 40, A3, 46, 00, FF, 34, B0, E8, 00, 9E, FF, FF, 59, A1, 40, A3, 46, 00...
 
[+]

Code size:
364.5 KB (373,248 bytes)

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