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compatibilitycheck.exe

Ad Support

The application compatibilitycheck.exe by Ad Support has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Ad Support  (signed and verified)

MD5:
6ea89d1de0a1ce2e4b9dee330ec6d969

SHA-1:
0c3d04cfd89088735106623cc665963c0d243264

SHA-256:
dd8e9c7dc225edb96ff0fc4da7f4e71f8ff26edb0d824f65c7fdbfc654d6df05

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:
11/25/2024 9:32:07 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.AdSupport
15.2.14.11

File size:
48.9 MB (51,305,640 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\compatibility verifier\compatibilitycheck.exe

Digital Signature
Signed by:
Ad Support

Authority:
Ad Support

Valid from:
10/16/2014 11:22:36 AM

Valid to:
10/16/2015 11:22:36 AM

Subject:
CN=Ad Support, O=Ad Support, S=London, C=GB

Issuer:
CN=AdSupport, O=Ad Support, S=London, C=GB

Serial number:
00E592A6D69AFA75AF

File PE Metadata
Compilation timestamp:
2/10/2015 8:24:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
786432:c3qBm+tJKeSzIaQg2U8DmiO22inTR9oIHOknzogg:OT2czIar27DmiO22eWI7nzg

Entry address:
0x22B4E99

Entry point:
E8, C2, 71, 01, 00, E9, 39, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 83, EC, 08, 0F, AE, 5C, 24, 04, 8B, 44, 24, 04, 25, 80, 7F, 00, 00, 3D, 80, 1F, 00, 00, 0F, 85, 59, 02, 00, 00, D9, 3C, 24, 66, 8B, 04, 24, 66, 83, E0, 7F, 66, 83...
 
[+]

Code size:
42 MB (44,012,544 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ec2-23-21-198-245.compute-1.amazonaws.com  (23.21.198.245:80)

TCP (HTTP):
Connects to ec2-54-90-65-58.compute-1.amazonaws.com  (54.90.65.58:80)

TCP (HTTP):
Connects to ec2-54-146-221-202.compute-1.amazonaws.com  (54.146.221.202:80)

TCP (HTTP):
Connects to float.2206.bm-impbus.prod.nym2.adnexus.net  (68.67.153.209:80)

TCP (HTTP):
Connects to float.1932.bm-impbus.prod.nym2.adnexus.net  (68.67.153.55:80)

TCP (HTTP):
Connects to ec2-54-237-176-95.compute-1.amazonaws.com  (54.237.176.95:80)

TCP (HTTP):
Connects to ec2-52-6-105-79.compute-1.amazonaws.com  (52.6.105.79:80)

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