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isr_lm.exe

Ding Ruan

The application isr_lm.exe by Ding Ruan 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:
Ding Ruan  (signed and verified)

MD5:
0cf3f6d41d349c873996f73c1bc2d96e

SHA-1:
711cc947f4509d63f44e6d6ceaf3821934e6dfdb

SHA-256:
19cb6458dd38827e51a0d0ffbc74b443bfed682a4e164377796fda8b46fef287

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/16/2025 4:57:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.12.6.1

File size:
412.2 KB (422,112 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
11/28/2016 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, 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:
2338186762931B78D05AE2D72C1455CC

File PE Metadata
Compilation timestamp:
11/22/2016 8:51:36 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:jeHuJ1NBDlpubVD+7zHckp9p97/68gcaM8ycvp:6OJLBDw5+7YQ5O8gTDy0

Entry address:
0x2D03

Entry point:
E8, 28, E3, FF, FF, E9, B9, B8, 00, 00, 6A, 08, 68, 68, 3A, 46, 00, E8, 97, BB, 00, 00, 8B, 55, 10, 8B, 4D, 0C, F7, 02, 00, 00, 00, 80, 74, 04, 8B, F9, EB, 06, 8D, 79, 0C, 03, 7A, 08, 83, 65, FC, 00, 8B, 75, 14, 56, 52, 51, 8B, 5D, 08, 53, E8, BA, 1A, 00, 00, 83, C4, 10, 48, 74, 1F, 48, 75, 34, 6A, 01, 8D, 46, 08, 50, FF, 73, 18, E8, A4, 5E, 00, 00, 59, 59, 50, FF, 76, 18, 57, E8, 98, EF, FF, FF, EB, 18, 8D, 46, 08, 50, FF, 73, 18, E8, 8A, 5E, 00, 00, 59, 59, 50, FF, 76, 18, 57, E8, 7E, EF, FF, FF, C7, 45...
 
[+]

Code size:
369 KB (377,856 bytes)

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