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isr_lm.exe

Xin Zhou

The executable isr_lm.exe has been detected as malware by 1 anti-virus scanner.
Publisher:
Xin Zhou  (signed and verified)

MD5:
84e7acaf01a96e43969de676d407da07

SHA-1:
4ff286bbb44e99ccdc7147f8cb76468cb79a3a13

SHA-256:
f3f2e608541ac2817b9d3a9a0e6eea96b95c8047d511f906b5d1f8702fedf5db

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
6/22/2025 10:11:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.1.14

File size:
415.5 KB (425,520 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
11/20/2016 4:00:00 PM

Valid to:
3/22/2017 4:59:59 PM

Subject:
CN=Xin Zhou, 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:
696F62AA5E54725E0D70304080E0E296

File PE Metadata
Compilation timestamp:
11/13/2016 9:14:55 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:5q7JdzKgs/a4pPtjlc36XPdPcJPojBqGBb:M7Ta/fnXEPo9x

Entry address:
0x2876

Entry point:
E8, 62, 60, 00, 00, E9, 6D, 95, 00, 00, 55, 8B, EC, 6A, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 2C, 04, 00, 00, 83, C4, 10, 5D, C3, E8, 6D, 7F, 00, 00, 85, C0, 74, 08, 6A, 16, E8, B9, EB, FF, FF, 59, F6, 05, B0, 4E, 46, 00, 02, 74, 21, 6A, 17, E8, 67, BD, 00, 00, 85, C0, 74, 05, 6A, 07, 59, CD, 29, 6A, 01, 68, 15, 00, 00, 40, 6A, 03, E8, C9, 80, 00, 00, 83, C4, 0C, 6A, 03, E8, 7A, 5C, 00, 00, CC, 53, 56, 8B, 35, 64, 53, 46, 00, 33, DB, 57, 8B, FB, 85, F6, 75, 1B, 83, C8, FF, E9, A1, 00, 00, 00, 66, 3B...
 
[+]

Entropy:
7.8128  (probably packed)

Code size:
367.5 KB (376,320 bytes)

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