apphelp.dll

Koyote-Lab Inc.

The module apphelp.dll by Koyote-Lab has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Koyote-Lab Inc.  (signed and verified)

MD5:
837ac5de26f4494adef3e0f633864544

SHA-1:
e6b63fd24e07af63a3208ef36e4a828d0d3436ff

SHA-256:
c4c79f5e7bcc32fd5f5f09acaafd5ab3e4a77d62d1f309991385d41c9bb43cb9

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/27/2024 12:31:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Bandoo (M)
17.2.14.9

File size:
2 MB (2,053,128 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\apphelp.dll

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
2/12/2014 7:00:00 AM

Valid to:
2/22/2016 6:59:59 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:
9/22/2014 6:58:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0xF2D9D

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, D1, DA, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, F4, FA, 17, 10, 00, 74, 05, E9, 2D, DB, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02...
 
[+]

Code size:
1.2 MB (1,225,728 bytes)

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