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apcrtldr.dll

Koyote-Lab Inc.

The module apcrtldr.dll by Koyote-Lab has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Koyote-Lab Inc.  (signed and verified)

MD5:
a5bf8e82cf6f681b548f894519e62679

SHA-1:
6cef015b149bb339ae0916be7c5eae63b7098134

SHA-256:
3b5992df61bee7303e00dff9c8a304a6cd8f2b77c3de075a9bbda1ff2cd99745

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/27/2024 2:56:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.KoyoteToolbar.Bandoo (M)
16.2.15.14

File size:
649.5 KB (665,096 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\music app\datamngr\x64\apcrtldr.dll

Digital Signature
Signed by:
Koyote-Lab Inc.

Authority:
Thawte, Inc.

Valid from:
2/12/2014 5:30:00 AM

Valid to:
2/22/2016 5:29:59 AM

Subject:
CN=Koyote-Lab Inc., OU=DEV, O=Koyote-Lab Inc., L=Panama City, S=Panama, C=PA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
05787E08EB7454E434F666A81F251A2D

File PE Metadata
Compilation timestamp:
10/2/2014 8:08:57 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:7fIS/VNw+2VKPoQHejWQrVZDmsq+nhhfhyhAhzhGhmhHhEh9h6hChlhMhvhuhehv:7fIS/VNw+2wPoQHuWOVjnZ

Entry address:
0x31EC8

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 63, 93, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, 15, F3, 03, 00, 41, B8, 40, 00, 00, 00, E8, AA, E5, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, 5A, 99...
 
[+]

Entropy:
6.2136

Code size:
441.5 KB (452,096 bytes)

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