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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:
4fb4961733a38aac08046e2f96577d4a

SHA-1:
efb14ba74a060be0ad0224ccd88a88b75f16dbd8

SHA-256:
7b9449f44a6f9d15f1cecdacfed4732f80914496c889b242e8722a7e9d9c6dc2

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
6/26/2025 12:11:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.27.5

File size:
417.2 KB (427,224 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:
11/14/2016 7:00:00 AM

Valid to:
3/23/2017 6:59:59 AM

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:
424CFA2DA22644F1A014C44D8C28F97B

File PE Metadata
Compilation timestamp:
11/14/2016 7:06:14 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:gGa7K3tM0EV7GZY2jlaU9YIgun0ylKJMeCm:WStvEV7uYGlaU9YSn7lKV

Entry address:
0x31C8

Entry point:
E8, FD, ED, FF, FF, E9, 81, 8F, 00, 00, 55, 8B, EC, 51, 51, 8B, 45, 0C, 53, 56, 57, 0F, B7, 78, 06, BB, 00, 00, 00, 80, 8B, 50, 04, 8B, CF, 8B, 00, 81, E7, 00, 80, 00, 00, C1, E9, 04, 81, E2, FF, FF, 0F, 00, 81, E1, FF, 07, 00, 00, 89, 7D, F8, 8B, F1, 89, 45, FC, 85, F6, 74, 17, 81, FE, FF, 07, 00, 00, 74, 08, 8D, 81, 00, 3C, 00, 00, EB, 25, B8, FF, 7F, 00, 00, EB, 21, 85, D2, 75, 12, 85, C0, 75, 0E, 8B, 45, 08, 21, 50, 04, 21, 10, 66, 89, 78, 08, EB, 58, 8D, 81, 01, 3C, 00, 00, 33, DB, 0F, B7, C0, 8B, 4D...
 
[+]

Entropy:
7.8138  (probably packed)

Code size:
370.5 KB (379,392 bytes)

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