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compatibilitycheck.exe

Ad Support

The application compatibilitycheck.exe by Ad Support has been detected as adware by 5 anti-malware scanners. While running, it connects to the Internet address float.1923.bm-impbus.prod.lax1.adnexus.net on port 443.
Publisher:
Ad Support  (signed and verified)

MD5:
1f4dfd87ff2738af36e43d6a0d4e45a0

SHA-1:
14fab4065d4f9ea0ef16a78ce7d3287e047b9217

SHA-256:
763f091727b888bb3858b2b94e7d3a4a3df1443ad137dba9548e446bc82509a7

Scanner detections:
5 / 68

Status:
Adware

Analysis date:
4/19/2024 10:58:58 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/AdSuproot (variant)
9.11120

F-Prot
W32/Mywebsearch.F.gen
v6.4.7.1.166

McAfee
BackDoor-FCKT!1F4DFD87FF27
5600.6864

Reason Heuristics
PUP.AdSupport
15.2.14.11

Sophos
Ad Support
4.98

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

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\syswow64\compatibility verifier\compatibilitycheck.exe

Digital Signature
Signed by:
Ad Support

Authority:
Ad Support

Valid from:
10/16/2014 2:22:36 AM

Valid to:
10/16/2015 2:22:36 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:
2/2/2015 8:32:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
786432:4ofvVqIUA0tpab3/2QnoEDO2w5V66ZrUBG0dGXw:4WvVR0tp43/28oEDO2wJhU00dh

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...
 
[+]

Entropy:
6.7650

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 s-prd-req-adcom_nwa_blue.evip.aol.com  (149.174.67.75:80)

TCP (HTTP):
Connects to s-prd-pxl-adcom-scd-a.evip.aol.com  (152.163.13.6:80)

TCP (HTTP):
Connects to server-54-230-142-90.sfo5.r.cloudfront.net  (54.230.142.90:80)

TCP (HTTP):
Connects to server-54-230-141-16.sfo5.r.cloudfront.net  (54.230.141.16:80)

TCP (HTTP):
Connects to server-54-192-141-4.sfo5.r.cloudfront.net  (54.192.141.4:80)

TCP (HTTP):
Connects to s3-us-west-2.amazonaws.com  (54.231.161.192:80)

TCP (HTTP):
Connects to presentation-sjc2.turn.com  (69.194.244.11:80)

TCP (HTTP):
Connects to nuq05s01-in-f27.1e100.net  (74.125.239.123:80)

TCP (HTTP):
Connects to nuq05s01-in-f13.1e100.net  (74.125.239.109:80)

TCP (HTTP SSL):
Connects to nuq04s19-in-f28.1e100.net  (74.125.239.60:443)

TCP (HTTP):
Connects to nuq04s19-in-f27.1e100.net  (74.125.239.59:80)

TCP (HTTP):
Connects to nuq04s19-in-f26.1e100.net  (74.125.239.58:80)

TCP (HTTP):
Connects to nuq04s19-in-f25.1e100.net  (74.125.239.57:80)

TCP (HTTP SSL):
Connects to nuq04s19-in-f23.1e100.net  (74.125.239.55:443)

TCP (HTTP):
Connects to net64-20-243-243.static-customer.corenap.com  (64.20.243.243:80)

TCP (HTTP):
Connects to mpr2.ngd.vip.gq1.yahoo.com  (216.39.55.13:80)

TCP (HTTP):
Connects to media.sj2.vcmedia.com  (64.156.167.95:80)

TCP (HTTP):
Connects to float.2526.bm-impbus.prod.lax1.adnexus.net  (68.67.129.99:80)

TCP (HTTP):
Connects to float.2401.bm-impbus.prod.lax1.adnexus.net  (68.67.129.53:80)

TCP (HTTP SSL):
Connects to float.1923.bm-impbus.prod.lax1.adnexus.net  (68.67.128.234:443)

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