rlvknlg.exe

Relevant-Knowledge

TMRG Inc.

The component is part of the TMRG platform which will track various behaviors of web browsing habits including tracking sites and domains visited as well as ads clicked. The application rlvknlg.exe by TMRG has been detected as adware 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. While running, it connects to the Internet address wwwc.ri4.securestudies.com on port 80 using the HTTP protocol.
Publisher:
TMRG, Inc.  (signed by TMRG Inc.)

Product:
Relevant-Knowledge

Version:
1.3.337.388 (Build 337.388)

MD5:
9d44772a55cd98fbb39393754abaa1a8

SHA-1:
bb08893c1f1589e43ae2ffb18869ea2ed8519fa4

SHA-256:
98fd59f4c52a356d9e82ea1450ce5dcf866c93b185035f34f4105949188b7c97

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:
12/13/2017 6:16:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
16.10.7.0

File size:
3.6 MB (3,723,168 bytes)

Product version:
1.3.337.388 (Build 337.388)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
1/17/2016 6:00:00 PM

Valid to:
2/16/2018 5:59:59 PM

Subject:
CN=TMRG Inc., O=TMRG Inc., L=Reston, S=Virginia, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7E36C4BE2CEB69DF7BCEDB3B868E9EF9

File PE Metadata
Compilation timestamp:
9/23/2016 3:39:39 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:JarvjYynOw1+siefttL3dtfYaNOahI4ZvPjcFTGuIOPo3Azbm2xx:xw1+siefttL3bv4TXjzSax

Entry address:
0x242A1B

Entry point:
E8, ED, 53, 01, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, 97, 2A, 64, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, AD, 0D, 04, 00, 8B, 45, 0C, 8B...
 
[+]

Entropy:
6.6122

Code size:
2.7 MB (2,805,760 bytes)

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

TCP (HTTP):
Connects to oss-ad-iad.securestudies.com  (165.193.78.187:80)

TCP (HTTP):
Connects to wwwc.ri3.securestudies.com  (4.16.74.136:80)

TCP (HTTP):
Connects to post.securestudies.com  (165.193.78.234:80)

TCP (HTTP):
Connects to wwwc.ia6.securestudies.com  (205.217.167.8:80)

TCP (HTTP):
Connects to wwwc.ia4.securestudies.com  (66.119.33.170:80)

TCP (HTTP):
Connects to wwwc.ia9.securestudies.com  (205.218.48.200:80)

TCP (HTTP):
Connects to wwwc.ia7.securestudies.com  (205.217.176.8:80)

TCP (HTTP):
Connects to wwwc.ria.securestudies.com  (184.80.40.40:80)

TCP (HTTP):
Connects to wwwc.ri4.securestudies.com  (4.16.74.168:80)

TCP (HTTP):
Connects to wwwc.ia1.securestudies.com  (165.193.73.40:80)

TCP (HTTP):
Connects to wwwc.ri9.securestudies.com  (4.16.75.72:80)

TCP (HTTP):
Connects to wwwc.ri8.securestudies.com  (4.16.75.40:80)

TCP (HTTP):
Connects to wwwc.ia8.securestudies.com  (205.218.48.168:80)

TCP (HTTP):
Connects to wwwc.ia5.securestudies.com  (165.193.93.104:80)

TCP (HTTP):
Connects to wwwc.ia3.securestudies.com  (66.119.33.138:80)

TCP (HTTP):
Connects to a104-88-123-147.deploy.static.akamaitechnologies.com  (104.88.123.147:80)

TCP (HTTP):
Connects to wwwc.ri6.securestudies.com  (4.16.74.232:80)

TCP (HTTP):
Connects to wwwc.ia2.securestudies.com  (66.119.34.42:80)

TCP (HTTP):
Connects to server-54-230-159-59.sin3.r.cloudfront.net  (54.230.159.59:80)

TCP (HTTP):
Connects to server-54-230-159-100.sin3.r.cloudfront.net  (54.230.159.100:80)

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